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Subject[PATCH] staging: mt7621-mmc: Remove do {} while (0) loop for single statement macro
This patch removes do {} while (0) loop for single statement macros.
Issue found by checkpatch.

Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
---
drivers/staging/mt7621-mmc/sd.c | 28 +++++++---------------------
1 file changed, 7 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c
index 7474f9ed7b5b..ec12a3a5a926 100644
--- a/drivers/staging/mt7621-mmc/sd.c
+++ b/drivers/staging/mt7621-mmc/sd.c
@@ -104,14 +104,10 @@ static int cd_active_low = 1;
/* gate means clock power down */
static int g_clk_gate = 0;
#define msdc_gate_clock(id) \
- do { \
- g_clk_gate &= ~(1 << ((id) + PERI_MSDC0_PDN)); \
- } while (0)
+ (g_clk_gate &= ~(1 << ((id) + PERI_MSDC0_PDN)))
/* not like power down register. 1 means clock on. */
#define msdc_ungate_clock(id) \
- do { \
- g_clk_gate |= 1 << ((id) + PERI_MSDC0_PDN); \
- } while (0)
+ (g_clk_gate |= 1 << ((id) + PERI_MSDC0_PDN))

// do we need sync object or not
void msdc_clk_status(int *status)
@@ -170,9 +166,7 @@ static void msdc_clr_fifo(struct msdc_host *host)
} while (0)

#define msdc_irq_restore(val) \
- do { \
- sdr_set_bits(host->base + MSDC_INTEN, val); \
- } while (0)
+ (sdr_set_bits(host->base + MSDC_INTEN, val))

/* clock source for host: global */
#if defined(CONFIG_SOC_MT7620)
@@ -186,26 +180,18 @@ static u32 hclks[] = {50000000}; /* +/- by chhung */
// always keep the VMC on.
//============================================
#define msdc_vcore_on(host) \
- do { \
- (void)hwPowerOn(MT65XX_POWER_LDO_VMC, VOL_3300, "SD"); \
- } while (0)
+ ((void)hwPowerOn(MT65XX_POWER_LDO_VMC, VOL_3300, "SD"))
#define msdc_vcore_off(host) \
- do { \
- (void)hwPowerDown(MT65XX_POWER_LDO_VMC, "SD"); \
- } while (0)
+ ((void)hwPowerDown(MT65XX_POWER_LDO_VMC, "SD"))

//====================================
// the vdd output for card: global
// always keep the VMCH on.
//====================================
#define msdc_vdd_on(host) \
- do { \
- (void)hwPowerOn(MT65XX_POWER_LDO_VMCH, VOL_3300, "SD"); \
- } while (0)
+ ((void)hwPowerOn(MT65XX_POWER_LDO_VMCH, VOL_3300, "SD"))
#define msdc_vdd_off(host) \
- do { \
- (void)hwPowerDown(MT65XX_POWER_LDO_VMCH, "SD"); \
- } while (0)
+ ((void)hwPowerDown(MT65XX_POWER_LDO_VMCH, "SD"))

#define sdc_is_busy() (readl(host->base + SDC_STS) & SDC_STS_SDCBUSY)
#define sdc_is_cmd_busy() (readl(host->base + SDC_STS) & SDC_STS_CMDBUSY)
--
2.17.1
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