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sd: optimize sduart not supported flag [1/1]

Browse Source 
PD#SWPL-4858

Problem:
Soc not support sduart

Solution:
add not supported flag in dts

Verify:
verify by tl1 skt

Change-Id: Ifd1f975bd13b150aac9d99f60423ab4f0b903c98
Signed-off-by: Nan Li <nan.li@amlogic.com>
This commit is contained in:
Nan Li
2019-03-22 19:42:12 +08:00
committed by Luke Go
parent 239d8db2c1
commit 908c0167f8
1 changed files with 8 additions and 4 deletions
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12
drivers/amlogic/mmc/amlsd.c
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@@ -702,6 +702,9 @@ static int aml_is_sduart(struct amlsd_platform *pdata)
struct amlsd_host *host = pdata->host;
struct sd_emmc_status *ista = (struct sd_emmc_status *)&vstat;
if (pdata->no_sduart)
return 0;
mutex_lock(&host->pinmux_lock);
pc = aml_devm_pinctrl_get_select(host, "sd_to_ao_uart_pins");
@@ -885,8 +888,7 @@ int aml_sd_uart_detect(struct amlsd_platform *pdata)
return 1;
pdata->is_in = true;
pdata->gpio_cd_sta = true;
if ((!pdata->no_sduart)
&& aml_is_sduart(pdata)) {
if (aml_is_sduart(pdata)) {
aml_uart_switch(pdata, 1);
pr_info("Uart in\n");
mmc->caps &= ~MMC_CAP_4_BIT_DATA;
@@ -901,8 +903,10 @@ int aml_sd_uart_detect(struct amlsd_platform *pdata)
}
} else {
pr_info("normal card in\n");
aml_uart_switch(pdata, 0);
aml_jtag_switch_ao(pdata);
if (!pdata->no_sduart) {
aml_uart_switch(pdata, 0);
aml_jtag_switch_ao(pdata);
}
if (host->data->chip_type == MMC_CHIP_G12A)
host->is_sduart = 0;
if (pdata->caps & MMC_CAP_4_BIT_DATA)