drivers/net/ethernet/marvell/mv643xx_eth.c:1994:28: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Mon May 15 2023 - 08:02:53 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6
commit: c44f15c1c09481d50fd33478ebb5b8284f8f5edb arc: iounmap() arg is volatile
date: 7 months ago
config: arc-randconfig-s043-20230515 (https://download.01.org/0day-ci/archive/20230515/202305151918.9gC99599-lkp@xxxxxxxxx/config)
compiler: arc-elf-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c44f15c1c09481d50fd33478ebb5b8284f8f5edb
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout c44f15c1c09481d50fd33478ebb5b8284f8f5edb
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc SHELL=/bin/bash drivers/net/ethernet/marvell/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202305151918.9gC99599-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
drivers/net/ethernet/marvell/mv643xx_eth.c:1955:35: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct rx_desc *rx_desc_area @@ got void [noderef] __iomem * @@
drivers/net/ethernet/marvell/mv643xx_eth.c:1955:35: sparse: expected struct rx_desc *rx_desc_area
drivers/net/ethernet/marvell/mv643xx_eth.c:1955:35: sparse: got void [noderef] __iomem *
>> drivers/net/ethernet/marvell/mv643xx_eth.c:1994:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got struct rx_desc *rx_desc_area @@
drivers/net/ethernet/marvell/mv643xx_eth.c:1994:28: sparse: expected void const volatile [noderef] __iomem *addr
drivers/net/ethernet/marvell/mv643xx_eth.c:1994:28: sparse: got struct rx_desc *rx_desc_area
drivers/net/ethernet/marvell/mv643xx_eth.c:2025:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got struct rx_desc *rx_desc_area @@
drivers/net/ethernet/marvell/mv643xx_eth.c:2025:28: sparse: expected void const volatile [noderef] __iomem *addr
drivers/net/ethernet/marvell/mv643xx_eth.c:2025:28: sparse: got struct rx_desc *rx_desc_area
drivers/net/ethernet/marvell/mv643xx_eth.c:2059:35: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct tx_desc *tx_desc_area @@ got void [noderef] __iomem * @@
drivers/net/ethernet/marvell/mv643xx_eth.c:2059:35: sparse: expected struct tx_desc *tx_desc_area
drivers/net/ethernet/marvell/mv643xx_eth.c:2059:35: sparse: got void [noderef] __iomem *
>> drivers/net/ethernet/marvell/mv643xx_eth.c:2114:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got struct tx_desc *tx_desc_area @@
drivers/net/ethernet/marvell/mv643xx_eth.c:2114:28: sparse: expected void const volatile [noderef] __iomem *addr
drivers/net/ethernet/marvell/mv643xx_eth.c:2114:28: sparse: got struct tx_desc *tx_desc_area
drivers/net/ethernet/marvell/mv643xx_eth.c:2132:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got struct tx_desc *tx_desc_area @@
drivers/net/ethernet/marvell/mv643xx_eth.c:2132:28: sparse: expected void const volatile [noderef] __iomem *addr
drivers/net/ethernet/marvell/mv643xx_eth.c:2132:28: sparse: got struct tx_desc *tx_desc_area

vim +1994 drivers/net/ethernet/marvell/mv643xx_eth.c

d0412d967032b9 drivers/net/mv643xx_eth.c James Chapman 2006-01-27 1934
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1935
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1936 /* rx/tx queue initialisation ***********************************************/
64da80a29c7455 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-02 1937 static int rxq_init(struct mv643xx_eth_private *mp, int index)
^1da177e4c3f41 drivers/net/mv643xx_eth.c Linus Torvalds 2005-04-16 1938 {
64da80a29c7455 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-02 1939 struct rx_queue *rxq = mp->rxq + index;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1940 struct rx_desc *rx_desc;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1941 int size;
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1942 int i;
^1da177e4c3f41 drivers/net/mv643xx_eth.c Linus Torvalds 2005-04-16 1943
64da80a29c7455 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-02 1944 rxq->index = index;
64da80a29c7455 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-02 1945
e7d2f4dbd9224b drivers/net/mv643xx_eth.c Lennert Buytenhek 2009-02-12 1946 rxq->rx_ring_size = mp->rx_ring_size;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1947
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1948 rxq->rx_desc_count = 0;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1949 rxq->rx_curr_desc = 0;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1950 rxq->rx_used_desc = 0;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1951
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1952 size = rxq->rx_ring_size * sizeof(struct rx_desc);
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1953
f7981c1c67b53a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-26 1954 if (index == 0 && size <= mp->rx_desc_sram_size) {
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1955 rxq->rx_desc_area = ioremap(mp->rx_desc_sram_addr,
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1956 mp->rx_desc_sram_size);
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1957 rxq->rx_desc_dma = mp->rx_desc_sram_addr;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1958 } else {
eb0519b5a1cf07 drivers/net/mv643xx_eth.c Gabriel Paubert 2009-05-17 1959 rxq->rx_desc_area = dma_alloc_coherent(mp->dev->dev.parent,
eb0519b5a1cf07 drivers/net/mv643xx_eth.c Gabriel Paubert 2009-05-17 1960 size, &rxq->rx_desc_dma,
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1961 GFP_KERNEL);
84dd619e4dc3b0 drivers/net/mv643xx_eth.c Dale Farnsworth 2007-03-03 1962 }
84dd619e4dc3b0 drivers/net/mv643xx_eth.c Dale Farnsworth 2007-03-03 1963
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1964 if (rxq->rx_desc_area == NULL) {
7542db8b1cb88a drivers/net/mv643xx_eth.c Joe Perches 2011-03-02 1965 netdev_err(mp->dev,
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1966 "can't allocate rx ring (%d bytes)\n", size);
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1967 goto out;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1968 }
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1969 memset(rxq->rx_desc_area, 0, size);
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1970
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1971 rxq->rx_desc_area_size = size;
9fa8e980bb0a56 drivers/net/ethernet/marvell/mv643xx_eth.c Lubomir Rintel 2013-06-18 1972 rxq->rx_skb = kcalloc(rxq->rx_ring_size, sizeof(*rxq->rx_skb),
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1973 GFP_KERNEL);
b2adaca92c63b9 drivers/net/ethernet/marvell/mv643xx_eth.c Joe Perches 2013-02-03 1974 if (rxq->rx_skb == NULL)
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1975 goto out_free;
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1976
6469933605a3ec drivers/net/ethernet/marvell/mv643xx_eth.c Joe Perches 2012-06-04 1977 rx_desc = rxq->rx_desc_area;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1978 for (i = 0; i < rxq->rx_ring_size; i++) {
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 1979 int nexti;
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 1980
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 1981 nexti = i + 1;
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 1982 if (nexti == rxq->rx_ring_size)
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 1983 nexti = 0;
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 1984
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1985 rx_desc[i].next_desc_ptr = rxq->rx_desc_dma +
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1986 nexti * sizeof(struct rx_desc);
fa3959f457109c drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-04-24 1987 }
fa3959f457109c drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-04-24 1988
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1989 return 0;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1990
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1991
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1992 out_free:
f7981c1c67b53a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-26 1993 if (index == 0 && size <= mp->rx_desc_sram_size)
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 @1994 iounmap(rxq->rx_desc_area);
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1995 else
eb0519b5a1cf07 drivers/net/mv643xx_eth.c Gabriel Paubert 2009-05-17 1996 dma_free_coherent(mp->dev->dev.parent, size,
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1997 rxq->rx_desc_area,
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1998 rxq->rx_desc_dma);
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 1999
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2000 out:
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2001 return -ENOMEM;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2002 }
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2003
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2004 static void rxq_deinit(struct rx_queue *rxq)
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2005 {
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2006 struct mv643xx_eth_private *mp = rxq_to_mp(rxq);
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2007 int i;
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2008
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2009 rxq_disable(rxq);
^1da177e4c3f41 drivers/net/mv643xx_eth.c Linus Torvalds 2005-04-16 2010
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2011 for (i = 0; i < rxq->rx_ring_size; i++) {
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2012 if (rxq->rx_skb[i]) {
43cee2d2465cab drivers/net/ethernet/marvell/mv643xx_eth.c Florian Fainelli 2017-08-24 2013 dev_consume_skb_any(rxq->rx_skb[i]);
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2014 rxq->rx_desc_count--;
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2015 }
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2016 }
^1da177e4c3f41 drivers/net/mv643xx_eth.c Linus Torvalds 2005-04-16 2017
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2018 if (rxq->rx_desc_count) {
7542db8b1cb88a drivers/net/mv643xx_eth.c Joe Perches 2011-03-02 2019 netdev_err(mp->dev, "error freeing rx ring -- %d skbs stuck\n",
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2020 rxq->rx_desc_count);
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2021 }
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2022
f7981c1c67b53a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-26 2023 if (rxq->index == 0 &&
64da80a29c7455 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-02 2024 rxq->rx_desc_area_size <= mp->rx_desc_sram_size)
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2025 iounmap(rxq->rx_desc_area);
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2026 else
eb0519b5a1cf07 drivers/net/mv643xx_eth.c Gabriel Paubert 2009-05-17 2027 dma_free_coherent(mp->dev->dev.parent, rxq->rx_desc_area_size,
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2028 rxq->rx_desc_area, rxq->rx_desc_dma);
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2029
8a578111e34335 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2030 kfree(rxq->rx_skb);
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2031 }
^1da177e4c3f41 drivers/net/mv643xx_eth.c Linus Torvalds 2005-04-16 2032
3d6b35bc5090cf drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-02 2033 static int txq_init(struct mv643xx_eth_private *mp, int index)
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2034 {
3d6b35bc5090cf drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-02 2035 struct tx_queue *txq = mp->txq + index;
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2036 struct tx_desc *tx_desc;
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2037 int size;
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2038 int ret;
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2039 int i;
^1da177e4c3f41 drivers/net/mv643xx_eth.c Linus Torvalds 2005-04-16 2040
3d6b35bc5090cf drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-02 2041 txq->index = index;
3d6b35bc5090cf drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-02 2042
e7d2f4dbd9224b drivers/net/mv643xx_eth.c Lennert Buytenhek 2009-02-12 2043 txq->tx_ring_size = mp->tx_ring_size;
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2044
ee9e49561bdd6d drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-30 2045 /* A queue must always have room for at least one skb.
ee9e49561bdd6d drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-30 2046 * Therefore, stop the queue when the free entries reaches
ee9e49561bdd6d drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-30 2047 * the maximum number of descriptors per skb.
ee9e49561bdd6d drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-30 2048 */
ee9e49561bdd6d drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-30 2049 txq->tx_stop_threshold = txq->tx_ring_size - MV643XX_MAX_SKB_DESCS;
ee9e49561bdd6d drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-30 2050 txq->tx_wake_threshold = txq->tx_stop_threshold / 2;
ee9e49561bdd6d drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-30 2051
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2052 txq->tx_desc_count = 0;
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2053 txq->tx_curr_desc = 0;
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2054 txq->tx_used_desc = 0;
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2055
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2056 size = txq->tx_ring_size * sizeof(struct tx_desc);
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2057
f7981c1c67b53a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-26 2058 if (index == 0 && size <= mp->tx_desc_sram_size) {
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2059 txq->tx_desc_area = ioremap(mp->tx_desc_sram_addr,
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2060 mp->tx_desc_sram_size);
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2061 txq->tx_desc_dma = mp->tx_desc_sram_addr;
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2062 } else {
eb0519b5a1cf07 drivers/net/mv643xx_eth.c Gabriel Paubert 2009-05-17 2063 txq->tx_desc_area = dma_alloc_coherent(mp->dev->dev.parent,
eb0519b5a1cf07 drivers/net/mv643xx_eth.c Gabriel Paubert 2009-05-17 2064 size, &txq->tx_desc_dma,
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2065 GFP_KERNEL);
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2066 }
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2067
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2068 if (txq->tx_desc_area == NULL) {
7542db8b1cb88a drivers/net/mv643xx_eth.c Joe Perches 2011-03-02 2069 netdev_err(mp->dev,
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2070 "can't allocate tx ring (%d bytes)\n", size);
99ab08e091df65 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-28 2071 return -ENOMEM;
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2072 }
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2073 memset(txq->tx_desc_area, 0, size);
^1da177e4c3f41 drivers/net/mv643xx_eth.c Linus Torvalds 2005-04-16 2074
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2075 txq->tx_desc_area_size = size;
63c9e549148fb9 drivers/net/mv643xx_eth.c Dale Farnsworth 2005-09-02 2076
6469933605a3ec drivers/net/ethernet/marvell/mv643xx_eth.c Joe Perches 2012-06-04 2077 tx_desc = txq->tx_desc_area;
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2078 for (i = 0; i < txq->tx_ring_size; i++) {
6b368f6859c803 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-07-11 2079 struct tx_desc *txd = tx_desc + i;
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 2080 int nexti;
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 2081
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 2082 nexti = i + 1;
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 2083 if (nexti == txq->tx_ring_size)
9da7874575468a drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-23 2084 nexti = 0;
6b368f6859c803 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-07-11 2085
6b368f6859c803 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-07-11 2086 txd->cmd_sts = 0;
6b368f6859c803 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-07-11 2087 txd->next_desc_ptr = txq->tx_desc_dma +
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2088 nexti * sizeof(struct tx_desc);
c9df406f313826 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2089 }
^1da177e4c3f41 drivers/net/mv643xx_eth.c Linus Torvalds 2005-04-16 2090
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2091 txq->tx_desc_mapping = kcalloc(txq->tx_ring_size, sizeof(char),
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2092 GFP_KERNEL);
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2093 if (!txq->tx_desc_mapping) {
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2094 ret = -ENOMEM;
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2095 goto err_free_desc_area;
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2096 }
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2097
3ae8f4e0b98b64 drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-19 2098 /* Allocate DMA buffers for TSO MAC/IP/TCP headers */
3ae8f4e0b98b64 drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-19 2099 txq->tso_hdrs = dma_alloc_coherent(mp->dev->dev.parent,
3ae8f4e0b98b64 drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-19 2100 txq->tx_ring_size * TSO_HEADER_SIZE,
3ae8f4e0b98b64 drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-19 2101 &txq->tso_hdrs_dma, GFP_KERNEL);
3ae8f4e0b98b64 drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-19 2102 if (txq->tso_hdrs == NULL) {
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2103 ret = -ENOMEM;
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2104 goto err_free_desc_mapping;
3ae8f4e0b98b64 drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2014-05-19 2105 }
99ab08e091df65 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-28 2106 skb_queue_head_init(&txq->tx_skb);
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2107
99ab08e091df65 drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-08-28 2108 return 0;
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2109
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2110 err_free_desc_mapping:
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2111 kfree(txq->tx_desc_mapping);
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2112 err_free_desc_area:
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2113 if (index == 0 && size <= mp->tx_desc_sram_size)
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 @2114 iounmap(txq->tx_desc_area);
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2115 else
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2116 dma_free_coherent(mp->dev->dev.parent, txq->tx_desc_area_size,
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2117 txq->tx_desc_area, txq->tx_desc_dma);
9e911414af8caf drivers/net/ethernet/marvell/mv643xx_eth.c Ezequiel Garcia 2015-01-22 2118 return ret;
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2119 }
13d6428538feae drivers/net/mv643xx_eth.c Lennert Buytenhek 2008-06-01 2120

:::::: The code at line 1994 was first introduced by commit
:::::: 8a578111e343350ff8fa75fc3630d4bba5475cae mv643xx_eth: split out rx queue state

:::::: TO: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx>
:::::: CC: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx>

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