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emmc: save clock reg after cali failure [1/1]

Browse Source 
PD#SWPL-30974

Problem:
don't need to save the value of
the Clock register after a calibration failure

Solution:
save clock register

Verify:
txl

Change-Id: I79799967ee3417600df960492a94f868427effb2
Signed-off-by: long.yu <long.yu@amlogic.com>
This commit is contained in:
long.yu
2020-08-13 15:25:12 +08:00
committed by Chris
parent 4be10acc4e
commit 351c78def9
1 changed files with 18 additions and 0 deletions
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18
drivers/amlogic/mmc/aml_sd_emmc.c
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@@ -526,6 +526,15 @@ _cali_retry:
} else {
pr_err("%s: calibration failed, use default\n",
mmc_hostname(host->mmc));
#ifdef SD_EMMC_CLK_CTRL
vclk = readl(host->base + SD_EMMC_CLOCK);
clkc->div = clk_div_tmp;
writel(vclk, host->base + SD_EMMC_CLOCK);
#else
clk_set_rate(host->cfg_div_clk, clk_tmp);
vclk = readl(host->base + SD_EMMC_CLOCK);
#endif
pdata->clkc = vclk;
return -1;
}
}
@@ -539,6 +548,15 @@ _cali_retry:
} else {
pr_err("%s: calibration failed, use default\n",
mmc_hostname(host->mmc));
#ifdef SD_EMMC_CLK_CTRL
vclk = readl(host->base + SD_EMMC_CLOCK);
clkc->div = clk_div_tmp;
writel(vclk, host->base + SD_EMMC_CLOCK);
#else
clk_set_rate(host->cfg_div_clk, clk_tmp);
vclk = readl(host->base + SD_EMMC_CLOCK);
#endif
pdata->clkc = vclk;
return -1;
}
}