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emmc: optimizing emmc hs400 timing process

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PD#148082: emmc: optimizing emmc hs400 timing process

Change-Id: I0318dec3e0c89eef3a396b157ada97b2ef768f7f
Signed-off-by: Long Yu <long.yu@amlogic.com>
This commit is contained in:
Long Yu
2017-08-11 17:09:13 +08:00
committed by Jianxin Pan
parent 1f6c26741a
commit 3863e6688f
1 changed files with 1 additions and 4 deletions
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5
drivers/amlogic/mmc/aml_sd_emmc_v3.c
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@@ -905,7 +905,7 @@ tunning:
vctrl = readl(host->base + SD_EMMC_CFG);
clk_div = clkc->div;
clock = clk_rate / clk_div;/*200MHz, bus_clk */
pdata->mmc->actual_clock = ctrl->ddr ?
mmc->actual_clock = ctrl->ddr ?
(clock / 2) : clock;/*100MHz in ddr */
if (ctrl->ddr == 1) {
@@ -1028,9 +1028,6 @@ tunning:
readl(host->base + SD_EMMC_CLOCK_V3),
readl(host->base + SD_EMMC_ADJUST_V3));
kfree(blk_test);
/* do not dynamical tuning for no emmc device */
if ((pdata->is_in) && !aml_card_type_mmc(pdata))
schedule_delayed_work(&pdata->retuning, 15*HZ);
return ret;
#endif
return 0;