broonie-spi/for-next boot bisection: v5.4-rc4-82-ge025ec2b58a5 on jetson-tk1

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broonie-spi/for-next boot bisection: v5.4-rc4-82-ge025ec2b58a5 on jetson-tk1

Summary:
  Start:      e025ec2b58a5 Merge remote-tracking branch 'spi/topic/ptp' into spi-next
  Details:    https://kernelci.org/boot/id/5db1a0fe59b514fcda201eeb
  Plain log:  https://storage.kernelci.org//broonie-spi/for-next/v5.4-rc4-82-ge025ec2b58a5/arm/tegra_defconfig/gcc-8/lab-collabora/boot-tegra124-jetson-tk1.txt
  HTML log:   https://storage.kernelci.org//broonie-spi/for-next/v5.4-rc4-82-ge025ec2b58a5/arm/tegra_defconfig/gcc-8/lab-collabora/boot-tegra124-jetson-tk1.html
  Result:     3e5ec1db8bfe spi: Fix SPI_CS_HIGH setting when using native and GPIO CS

Checks:
  revert:     PASS
  verify:     PASS

Parameters:
  Tree:       broonie-spi
  URL:        https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
  Branch:     for-next
  Target:     jetson-tk1
  CPU arch:   arm
  Lab:        lab-collabora
  Compiler:   gcc-8
  Config:     tegra_defconfig
  Test suite: boot

Breaking commit found:

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commit 3e5ec1db8bfee845d9f8560d1c64aeaccd586398
Author: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>
Date:   Fri Oct 18 17:29:29 2019 +0200

    spi: Fix SPI_CS_HIGH setting when using native and GPIO CS
    
    When improving the CS GPIO support at core level, the SPI_CS_HIGH
    has been enabled for all the CS lines used for a given SPI controller.
    
    However, the SPI framework allows to have on the same controller native
    CS and GPIO CS. The native CS may not support the SPI_CS_HIGH, so they
    should not be setup automatically.
    
    With this patch the setting is done only for the CS that will use a
    GPIO as CS
    
    Fixes: f3186dd87669 ("spi: Optionally use GPIO descriptors for CS GPIOs")
    Cc: <stable@xxxxxxxxxxxxxxx>
    Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20191018152929.3287-1-gregory.clement@xxxxxxxxxxx
    Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index f8b4654a57d3..d07517151340 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1711,15 +1711,7 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi,
 		spi->mode |= SPI_3WIRE;
 	if (of_property_read_bool(nc, "spi-lsb-first"))
 		spi->mode |= SPI_LSB_FIRST;
-
-	/*
-	 * For descriptors associated with the device, polarity inversion is
-	 * handled in the gpiolib, so all chip selects are "active high" in
-	 * the logical sense, the gpiolib will invert the line if need be.
-	 */
-	if (ctlr->use_gpio_descriptors)
-		spi->mode |= SPI_CS_HIGH;
-	else if (of_property_read_bool(nc, "spi-cs-high"))
+	if (of_property_read_bool(nc, "spi-cs-high"))
 		spi->mode |= SPI_CS_HIGH;
 
 	/* Device DUAL/QUAD mode */
@@ -1783,6 +1775,14 @@ static int of_spi_parse_dt(struct spi_controller *ctlr, struct spi_device *spi,
 	}
 	spi->chip_select = value;
 
+	/*
+	 * For descriptors associated with the device, polarity inversion is
+	 * handled in the gpiolib, so all gpio chip selects are "active high"
+	 * in the logical sense, the gpiolib will invert the line if need be.
+	 */
+	if ((ctlr->use_gpio_descriptors) && ctlr->cs_gpiods[spi->chip_select])
+		spi->mode |= SPI_CS_HIGH;
+
 	/* Device speed */
 	rc = of_property_read_u32(nc, "spi-max-frequency", &value);
 	if (rc) {
-------------------------------------------------------------------------------


Git bisection log:

-------------------------------------------------------------------------------
git bisect start
# good: [7d194c2100ad2a6dded545887d02754948ca5241] Linux 5.4-rc4
git bisect good 7d194c2100ad2a6dded545887d02754948ca5241
# bad: [e025ec2b58a56f29813afe3b5a8b9d0170c84eb3] Merge remote-tracking branch 'spi/topic/ptp' into spi-next
git bisect bad e025ec2b58a56f29813afe3b5a8b9d0170c84eb3
# good: [6c613f68aabf33385c01e949204ac5ed30887161] spi: core,atmel: convert `word_delay_usecs` -> `word_delay` for spi_device
git bisect good 6c613f68aabf33385c01e949204ac5ed30887161
# good: [585d18f7ebd1dba7400dcc7189a5f7223b821374] spi: atmel: Configure GPIO per CS instead of by controller
git bisect good 585d18f7ebd1dba7400dcc7189a5f7223b821374
# good: [e58f7d15e6beb255b3907054a0536db77c979a31] spi: xilinx: Add DT support for selecting transfer word width
git bisect good e58f7d15e6beb255b3907054a0536db77c979a31
# bad: [fed8d8c7a6dc2a76d7764842853d81c770b0788e] spi: atmel: fix handling of cs_change set on non-last xfer
git bisect bad fed8d8c7a6dc2a76d7764842853d81c770b0788e
# bad: [3e5ec1db8bfee845d9f8560d1c64aeaccd586398] spi: Fix SPI_CS_HIGH setting when using native and GPIO CS
git bisect bad 3e5ec1db8bfee845d9f8560d1c64aeaccd586398
# good: [b2662a164f9dc48da8822e56600686d639056282] spi: pxa2xx: Set controller->max_transfer_size in dma mode
git bisect good b2662a164f9dc48da8822e56600686d639056282
# first bad commit: [3e5ec1db8bfee845d9f8560d1c64aeaccd586398] spi: Fix SPI_CS_HIGH setting when using native and GPIO CS
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