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Date: Tue, 6 Dec 2011 14:41:27 +0100
From: Lothar Waßmann <LW@...O-electronics.de>
To: linux-arm-kernel@...ts.infradead.org
Cc: Shawn Guo <shawn.guo@...aro.org>,
Sascha Hauer <kernel@...gutronix.de>,
linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
Chris Ball <cjb@...top.org>,
Lothar Waßmann <LW@...O-electronics.de>
Subject: [MXS MMC 2/5] Some cleanups for the MMC driver
- Remove bogus parens around numerical arguments in #define's
- When defining bit masks, use the #def for the shift count
instead of repeating the numbers
- Remove bogus whitespace in indentation
- Remove 'break' at end of switch statement
Signed-off-by: Lothar Waßmann <LW@...O-electronics.de>
---
drivers/mmc/host/mxs-mmc.c | 57 +++++++++++++++++++++----------------------
1 files changed, 28 insertions(+), 29 deletions(-)
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index 99b449d..a9b70d2 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -47,7 +47,7 @@
#define DRIVER_NAME "mxs-mmc"
/* card detect polling timeout */
-#define MXS_MMC_DETECT_TIMEOUT (HZ/2)
+#define MXS_MMC_DETECT_TIMEOUT (HZ / 2)
#define SSP_VERSION_LATEST 4
#define ssp_is_old() (host->version < SSP_VERSION_LATEST)
@@ -59,39 +59,39 @@
#define BM_SSP_CTRL0_IGNORE_CRC (1 << 26)
#define BM_SSP_CTRL0_READ (1 << 25)
#define BM_SSP_CTRL0_DATA_XFER (1 << 24)
-#define BP_SSP_CTRL0_BUS_WIDTH (22)
-#define BM_SSP_CTRL0_BUS_WIDTH (0x3 << 22)
+#define BP_SSP_CTRL0_BUS_WIDTH 22
+#define BM_SSP_CTRL0_BUS_WIDTH (0x3 << BP_SSP_CTRL0_BUS_WIDTH)
#define BM_SSP_CTRL0_WAIT_FOR_IRQ (1 << 21)
#define BM_SSP_CTRL0_LONG_RESP (1 << 19)
#define BM_SSP_CTRL0_GET_RESP (1 << 17)
#define BM_SSP_CTRL0_ENABLE (1 << 16)
-#define BP_SSP_CTRL0_XFER_COUNT (0)
-#define BM_SSP_CTRL0_XFER_COUNT (0xffff)
+#define BP_SSP_CTRL0_XFER_COUNT 0
+#define BM_SSP_CTRL0_XFER_COUNT 0xffff
#define HW_SSP_CMD0 0x010
#define BM_SSP_CMD0_DBL_DATA_RATE_EN (1 << 25)
#define BM_SSP_CMD0_SLOW_CLKING_EN (1 << 22)
#define BM_SSP_CMD0_CONT_CLKING_EN (1 << 21)
#define BM_SSP_CMD0_APPEND_8CYC (1 << 20)
-#define BP_SSP_CMD0_BLOCK_SIZE (16)
-#define BM_SSP_CMD0_BLOCK_SIZE (0xf << 16)
-#define BP_SSP_CMD0_BLOCK_COUNT (8)
-#define BM_SSP_CMD0_BLOCK_COUNT (0xff << 8)
-#define BP_SSP_CMD0_CMD (0)
-#define BM_SSP_CMD0_CMD (0xff)
+#define BP_SSP_CMD0_BLOCK_SIZE 16
+#define BM_SSP_CMD0_BLOCK_SIZE (0xf << BP_SSP_CMD0_BLOCK_SIZE)
+#define BP_SSP_CMD0_BLOCK_COUNT 8
+#define BM_SSP_CMD0_BLOCK_COUNT (0xff << BP_SSP_CMD0_BLOCK_COUNT)
+#define BP_SSP_CMD0_CMD 0
+#define BM_SSP_CMD0_CMD 0xff
#define HW_SSP_CMD1 0x020
#define HW_SSP_XFER_SIZE 0x030
#define HW_SSP_BLOCK_SIZE 0x040
-#define BP_SSP_BLOCK_SIZE_BLOCK_COUNT (4)
-#define BM_SSP_BLOCK_SIZE_BLOCK_COUNT (0xffffff << 4)
-#define BP_SSP_BLOCK_SIZE_BLOCK_SIZE (0)
-#define BM_SSP_BLOCK_SIZE_BLOCK_SIZE (0xf)
+#define BP_SSP_BLOCK_SIZE_BLOCK_COUNT 4
+#define BM_SSP_BLOCK_SIZE_BLOCK_COUNT (0xffffff << BP_SSP_BLOCK_SIZE_BLOCK_COUNT)
+#define BP_SSP_BLOCK_SIZE_BLOCK_SIZE 0
+#define BM_SSP_BLOCK_SIZE_BLOCK_SIZE 0xf
#define HW_SSP_TIMING (ssp_is_old() ? 0x050 : 0x070)
-#define BP_SSP_TIMING_TIMEOUT (16)
-#define BM_SSP_TIMING_TIMEOUT (0xffff << 16)
-#define BP_SSP_TIMING_CLOCK_DIVIDE (8)
-#define BM_SSP_TIMING_CLOCK_DIVIDE (0xff << 8)
-#define BP_SSP_TIMING_CLOCK_RATE (0)
-#define BM_SSP_TIMING_CLOCK_RATE (0xff)
+#define BP_SSP_TIMING_TIMEOUT 16
+#define BM_SSP_TIMING_TIMEOUT (0xffff << BP_SSP_TIMING_TIMEOUT)
+#define BP_SSP_TIMING_CLOCK_DIVIDE 8
+#define BM_SSP_TIMING_CLOCK_DIVIDE (0xff << BP_SSP_TIMING_CLOCK_DIVIDE)
+#define BP_SSP_TIMING_CLOCK_RATE 0
+#define BM_SSP_TIMING_CLOCK_RATE 0xff
#define HW_SSP_CTRL1 (ssp_is_old() ? 0x060 : 0x080)
#define BM_SSP_CTRL1_SDIO_IRQ (1 << 31)
#define BM_SSP_CTRL1_SDIO_IRQ_EN (1 << 30)
@@ -111,10 +111,10 @@
#define BM_SSP_CTRL1_FIFO_OVERRUN_IRQ_EN (1 << 14)
#define BM_SSP_CTRL1_DMA_ENABLE (1 << 13)
#define BM_SSP_CTRL1_POLARITY (1 << 9)
-#define BP_SSP_CTRL1_WORD_LENGTH (4)
-#define BM_SSP_CTRL1_WORD_LENGTH (0xf << 4)
-#define BP_SSP_CTRL1_SSP_MODE (0)
-#define BM_SSP_CTRL1_SSP_MODE (0xf)
+#define BP_SSP_CTRL1_WORD_LENGTH 4
+#define BM_SSP_CTRL1_WORD_LENGTH (0xf << BP_SSP_CTRL1_WORD_LENGTH)
+#define BP_SSP_CTRL1_SSP_MODE 0
+#define BM_SSP_CTRL1_SSP_MODE 0xf
#define HW_SSP_SDRESP0 (ssp_is_old() ? 0x080 : 0x0a0)
#define HW_SSP_SDRESP1 (ssp_is_old() ? 0x090 : 0x0b0)
#define HW_SSP_SDRESP2 (ssp_is_old() ? 0x0a0 : 0x0c0)
@@ -123,7 +123,7 @@
#define BM_SSP_STATUS_CARD_DETECT (1 << 28)
#define BM_SSP_STATUS_SDIO_IRQ (1 << 17)
#define HW_SSP_VERSION (cpu_is_mx23() ? 0x110 : 0x130)
-#define BP_SSP_VERSION_MAJOR (24)
+#define BP_SSP_VERSION_MAJOR 24
#define BF_SSP(value, field) (((value) << BP_SSP_##field) & BM_SSP_##field)
@@ -151,7 +151,7 @@ struct mxs_mmc_host {
struct clk *clk;
unsigned int clk_rate;
- struct dma_chan *dmach;
+ struct dma_chan *dmach;
struct mxs_dma_data dma_data;
unsigned int dma_dir;
u32 ssp_pio_words[SSP_PIO_NUM];
@@ -277,7 +277,7 @@ static irqreturn_t mxs_mmc_irq_handler(int irq, void *dev_id)
stat = readl(host->base + HW_SSP_CTRL1);
writel(stat & MXS_MMC_IRQ_BITS,
- host->base + HW_SSP_CTRL1 + MXS_CLR_ADDR);
+ host->base + HW_SSP_CTRL1 + MXS_CLR_ADDR);
if ((stat & BM_SSP_CTRL1_SDIO_IRQ) && (stat & BM_SSP_CTRL1_SDIO_IRQ_EN))
mmc_signal_sdio_irq(host->mmc);
@@ -550,7 +550,6 @@ static void mxs_mmc_start_cmd(struct mxs_mmc_host *host,
default:
dev_warn(mmc_dev(host->mmc),
"%s: unknown MMC command\n", __func__);
- break;
}
}
--
1.5.6.5
--
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