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staging: mt7621-mmc: Remove unused field data_edge from msdc_hw

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The field data_edge of msdc_hw is set to a constant and only used once,
replace that position with the constant and remove the unused field.

Signed-off-by: Christian Lütke-Stetzkamp <christian@lkamp.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Lütke-Stetzkamp 2018-04-29 19:32:16 +02:00 committed by Greg Kroah-Hartman
parent b001fa3cdf
commit 9133f0e338
2 changed files with 3 additions and 5 deletions
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1
drivers/staging/mt7621-mmc/board.h
View File

@ -54,7 +54,6 @@
struct msdc_hw {
unsigned char clk_src; /* host clock source */
unsigned char data_edge; /* data latch edge */
unsigned char clk_drv; /* clock pad driving */
unsigned char cmd_drv; /* command pad driving */
unsigned char dat_drv; /* data pad driving */

7
drivers/staging/mt7621-mmc/sd.c
View File

@ -177,7 +177,6 @@ void msdc_clk_status(int *status)
/* +++ by chhung */
struct msdc_hw msdc0_hw = {
.clk_src = 0,
.data_edge = MSDC_SMPL_FALLING,
.clk_drv = 4,
.cmd_drv = 4,
.dat_drv = 4,
@ -2027,7 +2026,6 @@ static void msdc_set_buswidth(struct msdc_host *host, u32 width)
static void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
{
struct msdc_host *host = mmc_priv(mmc);
struct msdc_hw *hw = host->hw;
void __iomem *base = host->base;
u32 ddr = 0;
@ -2073,10 +2071,11 @@ static void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (host->mclk != ios->clock) {
if (ios->clock > 25000000) {
//if (!(host->hw->flags & MSDC_REMOVABLE)) {
INIT_MSG("SD data latch edge<%d>", hw->data_edge);
INIT_MSG("SD data latch edge<%d>", MSDC_SMPL_FALLING);
sdr_set_field(MSDC_IOCON, MSDC_IOCON_RSPL,
MSDC_SMPL_FALLING);
sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL, hw->data_edge);
sdr_set_field(MSDC_IOCON, MSDC_IOCON_DSPL,
MSDC_SMPL_FALLING);
//} /* for tuning debug */
} else { /* default value */
sdr_write32(MSDC_IOCON, 0x00000000);