[PATCH v3 03/10] mmc: mediatek: make cmd_ints_mask to const

From: Chaotian Jing
Date: Tue Oct 27 2015 - 02:25:26 EST


cmd_ints_mask and data_ints_mask are constant value,
so make it to const

Signed-off-by: Chaotian Jing <chaotian.jing@xxxxxxxxxxxx>
---
drivers/mmc/host/mtk-sd.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index b2e89d3..8b3e15d 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -353,7 +353,10 @@ static void msdc_reset_hw(struct msdc_host *host)
static void msdc_cmd_next(struct msdc_host *host,
struct mmc_request *mrq, struct mmc_command *cmd);

-static u32 data_ints_mask = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO |
+static const u32 cmd_ints_mask = MSDC_INTEN_CMDRDY | MSDC_INTEN_RSPCRCERR |
+ MSDC_INTEN_CMDTMO | MSDC_INTEN_ACMDRDY |
+ MSDC_INTEN_ACMDCRCERR | MSDC_INTEN_ACMDTMO;
+static const u32 data_ints_mask = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO |
MSDC_INTEN_DATCRCERR | MSDC_INTEN_DMA_BDCSERR |
MSDC_INTEN_DMA_GPDCSERR | MSDC_INTEN_DMA_PROTECT;

@@ -725,10 +728,7 @@ static bool msdc_cmd_done(struct msdc_host *host, int events,
if (done)
return true;

- sdr_clr_bits(host->base + MSDC_INTEN, MSDC_INTEN_CMDRDY |
- MSDC_INTEN_RSPCRCERR | MSDC_INTEN_CMDTMO |
- MSDC_INTEN_ACMDRDY | MSDC_INTEN_ACMDCRCERR |
- MSDC_INTEN_ACMDTMO);
+ sdr_clr_bits(host->base + MSDC_INTEN, cmd_ints_mask);

if (cmd->flags & MMC_RSP_PRESENT) {
if (cmd->flags & MMC_RSP_136) {
@@ -818,10 +818,7 @@ static void msdc_start_command(struct msdc_host *host,
rawcmd = msdc_cmd_prepare_raw_cmd(host, mrq, cmd);
mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT);

- sdr_set_bits(host->base + MSDC_INTEN, MSDC_INTEN_CMDRDY |
- MSDC_INTEN_RSPCRCERR | MSDC_INTEN_CMDTMO |
- MSDC_INTEN_ACMDRDY | MSDC_INTEN_ACMDCRCERR |
- MSDC_INTEN_ACMDTMO);
+ sdr_set_bits(host->base + MSDC_INTEN, cmd_ints_mask);
writel(cmd->arg, host->base + SDC_ARG);
writel(rawcmd, host->base + SDC_CMD);
}
--
1.8.1.1.dirty

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