korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-19 00:54:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

ARM: 7718/1: mmc: mmci: Set actual clock for debug purpose

Browse Source 
Update cclk to the acutal used value and copy it to the actual_clock
variable in the mmc host for debug purpose.

Signed-off-by: Fredrik Soderstedt <fredrik.soderstedt@stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Ulf Hansson 2013-05-13 15:40:03 +01:00 committed by Russell King
parent 665ba56fda
commit c58a85090c
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/mmc/host/mmci.c
View File

@ -196,6 +196,9 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired)
struct variant_data *variant = host->variant; struct variant_data *variant = host->variant;
u32 clk = variant->clkreg; u32 clk = variant->clkreg;
/* Make sure cclk reflects the current calculated clock */
host->cclk = 0;
if (desired) { if (desired) {
if (desired >= host->mclk) { if (desired >= host->mclk) {
clk = MCI_CLK_BYPASS; clk = MCI_CLK_BYPASS;
@ -230,6 +233,9 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired)
/* clk |= MCI_CLK_PWRSAVE; */ /* clk |= MCI_CLK_PWRSAVE; */
} }
/* Set actual clock for debug */
host->mmc->actual_clock = host->cclk;
if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4) if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4)
clk |= MCI_4BIT_BUS; clk |= MCI_4BIT_BUS;
if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8) if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8)