shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 03:40:35 +09:00
Code Issues Packages Projects Releases Wiki Activity

emmc: Clear the value of txdelay in legacy mode on the resume process [1/1]

Browse Source 
PD#SWPL-7181

Problem:
switch to high-speed from hs200 failed for resume process.

Solution:
set tx_delay as 0 for legacy mode.
clear cfg_cmd_setup

Verify:
verify by TL1

Change-Id: I5dbb1bbc391da864464bf137837a2b0f54ccda42
Signed-off-by: Long Yu <long.yu@amlogic.com>
Signed-off-by: Luan Yuan <luan.yuan@amlogic.com>
This commit is contained in:
Long Yu
2019-04-15 16:40:25 +08:00
committed by Luan Yuan
parent cd3a23d8e8
commit 2582a96892
1 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/amlogic/mmc/aml_sd_emmc_v3.c
View File

@@ -355,6 +355,11 @@ static void aml_sd_emmc_set_timing_v3(struct amlsd_platform *pdata,
clkc->tx_phase = para->sdr104.tx_phase;
} else {
ctrl->ddr = 0;
clkc->tx_delay = 0;
clkc->core_phase = para->init.core_phase;
clkc->tx_phase = para->init.tx_phase;
irq_en &= ~(1<<17);
writel(irq_en, host->base + SD_EMMC_IRQ_EN);
/* timing == MMC_TIMING_LEGACY */
if (pdata->calc_f) {
clkc->core_phase = para->calc.core_phase;