mmc: mediatek: make cmd_ints_mask to const

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

Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index b2e89d39e7b38f7abf5d36b897bada131f09808f..8b3e15d0f1f0d4db49d753cab0affcea9cc42e6c 100644 (file)
--- 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);
 }