* [PATCH 9/9] OMAP: HSMMC: SDBP and missing clock enabled fixes
@ 2008-11-21 9:25 Adrian Hunter
0 siblings, 0 replies; 2+ messages in thread
From: Adrian Hunter @ 2008-11-21 9:25 UTC (permalink / raw)
To: Tony Lindgren; +Cc: linux-omap@vger.kernel.org Mailing List
Disable SDBP at suspend and enable it resume. Make sure
fclk is running at suspend before touching HCTL.
Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com>
---
drivers/mmc/host/omap_hsmmc.c | 31 ++++++++++++-------------------
1 files changed, 12 insertions(+), 19 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 6058a70..78c5c18 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -897,10 +897,7 @@ static void omap_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
OMAP_HSMMC_WRITE(host->base, CON,
OMAP_HSMMC_READ(host->base, CON) | OD);
- if (ios->power_mode == MMC_POWER_OFF)
- mmc_omap_fclk_state(host, OFF);
- else
- mmc_omap_fclk_lazy_disable(host);
+ mmc_omap_fclk_lazy_disable(host);
}
static int omap_hsmmc_get_cd(struct mmc_host *mmc)
@@ -1207,12 +1204,11 @@ static int omap_mmc_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
if (host) {
- mmc_omap_fclk_state(host, ON);
-
ret = mmc_suspend_host(host->mmc, state);
if (ret == 0) {
host->suspended = 1;
+ mmc_omap_fclk_state(host, ON);
OMAP_HSMMC_WRITE(host->base, ISE, 0);
OMAP_HSMMC_WRITE(host->base, IE, 0);
@@ -1224,19 +1220,8 @@ static int omap_mmc_suspend(struct platform_device *pdev, pm_message_t state)
" level suspend\n");
}
- if (!(OMAP_HSMMC_READ(host->base, HCTL) & SDVSDET)) {
- u32 hctl = OMAP_HSMMC_READ(host->base, HCTL) &
- SDVSCLR;
-
- if (host->id == OMAP_MMC1_DEVID)
- hctl |= SDVS30;
- else
- hctl |= SDVS18;
-
- OMAP_HSMMC_WRITE(host->base, HCTL, hctl);
- OMAP_HSMMC_WRITE(host->base, HCTL, hctl | SDBP);
- }
-
+ OMAP_HSMMC_WRITE(host->base, HCTL,
+ OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
mmc_omap_fclk_state(host, OFF);
clk_disable(host->iclk);
clk_disable(host->dbclk);
@@ -1256,6 +1241,7 @@ static int omap_mmc_resume(struct platform_device *pdev)
return 0;
if (host) {
+ int i;
if (mmc_omap_fclk_state(host, ON) != 0)
goto clk_en_err;
@@ -1270,6 +1256,13 @@ static int omap_mmc_resume(struct platform_device *pdev)
dev_dbg(mmc_dev(host->mmc),
"Enabling debounce clk failed\n");
+ OMAP_HSMMC_WRITE(host->base, HCTL,
+ OMAP_HSMMC_READ(host->base, HCTL) | SDBP);
+
+ for (i = 0; i < 100; i++)
+ if (OMAP_HSMMC_READ(host->base, HCTL) & SDBP)
+ break;
+
if (host->pdata->resume) {
ret = host->pdata->resume(&pdev->dev, host->slot_id);
if (ret)
--
1.5.4.3
^ permalink raw reply related [flat|nested] 2+ messages in thread* [PATCH 0/9] OMAP: HSMMC: Patches
@ 2008-11-21 9:23 Adrian Hunter
2008-11-21 9:37 ` Adrian Hunter
0 siblings, 1 reply; 2+ messages in thread
From: Adrian Hunter @ 2008-11-21 9:23 UTC (permalink / raw)
To: Tony Lindgren; +Cc: linux-omap@vger.kernel.org Mailing List
Hi
OMAP HSMMC is not ready for mainline, but development is ongoing.
In the meantime these patches are best posted and applied via
omap mailing list and tree.
Regards
Adrian
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH 0/9] OMAP: HSMMC: Patches
2008-11-21 9:23 [PATCH 0/9] OMAP: HSMMC: Patches Adrian Hunter
@ 2008-11-21 9:37 ` Adrian Hunter
2008-11-21 9:53 ` [PATCH 9/9] OMAP: HSMMC: SDBP and missing clock enabled fixes Adrian Hunter
0 siblings, 1 reply; 2+ messages in thread
From: Adrian Hunter @ 2008-11-21 9:37 UTC (permalink / raw)
To: Tony Lindgren; +Cc: linux-omap@vger.kernel.org Mailing List
Adrian Hunter wrote:
> Hi
>
> OMAP HSMMC is not ready for mainline, but development is ongoing.
>
> In the meantime these patches are best posted and applied via
> omap mailing list and tree.
>
> Regards
> Adrian
> --
> To unsubscribe from this list: send the line "unsubscribe linux-omap" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
Just realised I forgot the from lines in all those patches - will resend.
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH 9/9] OMAP: HSMMC: SDBP and missing clock enabled fixes
2008-11-21 9:37 ` Adrian Hunter
@ 2008-11-21 9:53 ` Adrian Hunter
0 siblings, 0 replies; 2+ messages in thread
From: Adrian Hunter @ 2008-11-21 9:53 UTC (permalink / raw)
To: Tony Lindgren; +Cc: linux-omap@vger.kernel.org Mailing List
From: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Date: Wed, 19 Nov 2008 15:49:52 +0200
Disable SDBP at suspend and enable it resume. Make sure
fclk is running at suspend before touching HCTL.
Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com>
---
drivers/mmc/host/omap_hsmmc.c | 31 ++++++++++++-------------------
1 files changed, 12 insertions(+), 19 deletions(-)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 6058a70..78c5c18 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -897,10 +897,7 @@ static void omap_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
OMAP_HSMMC_WRITE(host->base, CON,
OMAP_HSMMC_READ(host->base, CON) | OD);
- if (ios->power_mode == MMC_POWER_OFF)
- mmc_omap_fclk_state(host, OFF);
- else
- mmc_omap_fclk_lazy_disable(host);
+ mmc_omap_fclk_lazy_disable(host);
}
static int omap_hsmmc_get_cd(struct mmc_host *mmc)
@@ -1207,12 +1204,11 @@ static int omap_mmc_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
if (host) {
- mmc_omap_fclk_state(host, ON);
-
ret = mmc_suspend_host(host->mmc, state);
if (ret == 0) {
host->suspended = 1;
+ mmc_omap_fclk_state(host, ON);
OMAP_HSMMC_WRITE(host->base, ISE, 0);
OMAP_HSMMC_WRITE(host->base, IE, 0);
@@ -1224,19 +1220,8 @@ static int omap_mmc_suspend(struct platform_device *pdev, pm_message_t state)
" level suspend\n");
}
- if (!(OMAP_HSMMC_READ(host->base, HCTL) & SDVSDET)) {
- u32 hctl = OMAP_HSMMC_READ(host->base, HCTL) &
- SDVSCLR;
-
- if (host->id == OMAP_MMC1_DEVID)
- hctl |= SDVS30;
- else
- hctl |= SDVS18;
-
- OMAP_HSMMC_WRITE(host->base, HCTL, hctl);
- OMAP_HSMMC_WRITE(host->base, HCTL, hctl | SDBP);
- }
-
+ OMAP_HSMMC_WRITE(host->base, HCTL,
+ OMAP_HSMMC_READ(host->base, HCTL) & ~SDBP);
mmc_omap_fclk_state(host, OFF);
clk_disable(host->iclk);
clk_disable(host->dbclk);
@@ -1256,6 +1241,7 @@ static int omap_mmc_resume(struct platform_device *pdev)
return 0;
if (host) {
+ int i;
if (mmc_omap_fclk_state(host, ON) != 0)
goto clk_en_err;
@@ -1270,6 +1256,13 @@ static int omap_mmc_resume(struct platform_device *pdev)
dev_dbg(mmc_dev(host->mmc),
"Enabling debounce clk failed\n");
+ OMAP_HSMMC_WRITE(host->base, HCTL,
+ OMAP_HSMMC_READ(host->base, HCTL) | SDBP);
+
+ for (i = 0; i < 100; i++)
+ if (OMAP_HSMMC_READ(host->base, HCTL) & SDBP)
+ break;
+
if (host->pdata->resume) {
ret = host->pdata->resume(&pdev->dev, host->slot_id);
if (ret)
--
1.5.4.3
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2008-11-21 9:46 UTC | newest]
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