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[components][sdio] fix compile warning and optimized code.

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nongxiaoming 2021-12-30 18:25:07 +08:00 committed by Bernard Xiong
parent 7bbf2605b7
commit cec72c92c7
1 changed files with 1 additions and 6 deletions
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7
components/drivers/sdio/mmc.c
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@ -294,11 +294,6 @@ static int mmc_select_bus_width(struct rt_mmcsd_card *card, rt_uint8_t *ext_csd)
EXT_CSD_BUS_WIDTH_4, EXT_CSD_BUS_WIDTH_4,
EXT_CSD_BUS_WIDTH_1 EXT_CSD_BUS_WIDTH_1
}; };
rt_uint32_t bus_widths[] = {
MMCSD_BUS_WIDTH_8,
MMCSD_BUS_WIDTH_4,
MMCSD_BUS_WIDTH_1
};
struct rt_mmcsd_host *host = card->host; struct rt_mmcsd_host *host = card->host;
unsigned idx, trys, bus_width = 0; unsigned idx, trys, bus_width = 0;
int err = 0; int err = 0;
@ -312,7 +307,7 @@ static int mmc_select_bus_width(struct rt_mmcsd_card *card, rt_uint8_t *ext_csd)
* the supported bus width or compare the ext csd values of current * the supported bus width or compare the ext csd values of current
* bus width and ext csd values of 1 bit mode read earlier. * bus width and ext csd values of 1 bit mode read earlier.
*/ */
for (idx = 0; idx < sizeof(bus_widths)/sizeof(rt_uint32_t); idx++) { for (idx = 0; idx < sizeof(ext_csd_bits)/sizeof(rt_uint32_t); idx++) {
/* /*
* Host is capable of 8bit transfer, then switch * Host is capable of 8bit transfer, then switch
* the device to work in 8bit transfer mode. If the * the device to work in 8bit transfer mode. If the