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* + omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs.patch added to -mm tree
@ 2010-08-05 21:33 akpm
  2010-08-08 11:42 ` Adrian Hunter
  0 siblings, 1 reply; 2+ messages in thread
From: akpm @ 2010-08-05 21:33 UTC (permalink / raw)
  To: mm-commits; +Cc: adrian.hunter, linux-mmc, madhu.cr, matt, tony


The patch titled
     omap_hsmmc: remove 'UGLY HACK:  workaround regulator framework bugs'
has been added to the -mm tree.  Its filename is
     omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs.patch

Before you just go and hit "reply", please:
   a) Consider who else should be cc'ed
   b) Prefer to cc a suitable mailing list as well
   c) Ideally: find the original patch on the mailing list and do a
      reply-to-all to that, adding suitable additional cc's

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: omap_hsmmc: remove 'UGLY HACK:  workaround regulator framework bugs'
From: Adrian Hunter <adrian.hunter@nokia.com>

The framework is fixed.  The hack can be removed.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
Cc: Matt Fleming <matt@console-pimps.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/mmc/host/omap_hsmmc.c |   19 -------------------
 1 file changed, 19 deletions(-)

diff -puN drivers/mmc/host/omap_hsmmc.c~omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs drivers/mmc/host/omap_hsmmc.c
--- a/drivers/mmc/host/omap_hsmmc.c~omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs
+++ a/drivers/mmc/host/omap_hsmmc.c
@@ -401,25 +401,6 @@ static int omap_hsmmc_reg_get(struct oma
 		/* Allow an aux regulator */
 		reg = regulator_get(host->dev, "vmmc_aux");
 		host->vcc_aux = IS_ERR(reg) ? NULL : reg;
-
-		/*
-		* UGLY HACK:  workaround regulator framework bugs.
-		* When the bootloader leaves a supply active, it's
-		* initialized with zero usecount ... and we can't
-		* disable it without first enabling it.  Until the
-		* framework is fixed, we need a workaround like this
-		* (which is safe for MMC, but not in general).
-		*/
-		if (regulator_is_enabled(host->vcc) > 0) {
-			regulator_enable(host->vcc);
-			regulator_disable(host->vcc);
-		}
-		if (host->vcc_aux) {
-			if (regulator_is_enabled(reg) > 0) {
-				regulator_enable(reg);
-				regulator_disable(reg);
-			}
-		}
 	}
 
 	return 0;
_

Patches currently in -mm which might be from adrian.hunter@nokia.com are

origin.patch
linux-next.patch
mmc-recognize-csd-structure.patch
mmc-recognize-csd-structure-fix.patch
mmc-split-mmc_sd_init_card.patch
mmc-implement-sd-combo-iomem-support.patch
mmc-omap-fix-for-bus-width-which-improves-sd-cards-peformance.patch
sdio-allow-non-standard-sdio-cards.patch
omap_hsmmc-add-init_card-pass-through-callback.patch
omap-pandora-pass-wl1251-information-to-sdio-core.patch
mmc-add-erase-secure-erase-trim-and-secure-trim-operations.patch
mmc_block-add-discard-support.patch
omap_hsmmc-add-erase-capability.patch
block-add-secure-discard.patch
mmc_block-add-support-for-secure-discard.patch
mmc_test-add-performance-tests.patch
mmc_test-fix-large-memory-allocation.patch
mmc-use-regulator-framework-correctly.patch
omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs.patch


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: + omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs.patch added to -mm tree
  2010-08-05 21:33 + omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs.patch added to -mm tree akpm
@ 2010-08-08 11:42 ` Adrian Hunter
  0 siblings, 0 replies; 2+ messages in thread
From: Adrian Hunter @ 2010-08-08 11:42 UTC (permalink / raw)
  To: akpm@linux-foundation.org
  Cc: mm-commits@vger.kernel.org, linux-mmc@vger.kernel.org,
	madhu.cr@ti.com, matt@console-pimps.org, tony@atomide.com

akpm@linux-foundation.org wrote:
> The patch titled
>      omap_hsmmc: remove 'UGLY HACK:  workaround regulator framework bugs'
> has been added to the -mm tree.  Its filename is
>      omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs.patch
> 
> Before you just go and hit "reply", please:
>    a) Consider who else should be cc'ed
>    b) Prefer to cc a suitable mailing list as well
>    c) Ideally: find the original patch on the mailing list and do a
>       reply-to-all to that, adding suitable additional cc's
> 
> *** Remember to use Documentation/SubmitChecklist when testing your code ***
> 
> See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
> out what to do about this
> 
> The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
> 
> ------------------------------------------------------
> Subject: omap_hsmmc: remove 'UGLY HACK:  workaround regulator framework bugs'
> From: Adrian Hunter <adrian.hunter@nokia.com>

This patch is also wrong, sorry.

Andrew please remove it.


> 
> The framework is fixed.  The hack can be removed.
> 
> Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
> Cc: Madhusudhan Chikkature <madhu.cr@ti.com>
> Cc: Matt Fleming <matt@console-pimps.org>
> Cc: Tony Lindgren <tony@atomide.com>
> Cc: <linux-mmc@vger.kernel.org>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
> 
>  drivers/mmc/host/omap_hsmmc.c |   19 -------------------
>  1 file changed, 19 deletions(-)
> 
> diff -puN drivers/mmc/host/omap_hsmmc.c~omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs drivers/mmc/host/omap_hsmmc.c
> --- a/drivers/mmc/host/omap_hsmmc.c~omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs
> +++ a/drivers/mmc/host/omap_hsmmc.c
> @@ -401,25 +401,6 @@ static int omap_hsmmc_reg_get(struct oma
>  		/* Allow an aux regulator */
>  		reg = regulator_get(host->dev, "vmmc_aux");
>  		host->vcc_aux = IS_ERR(reg) ? NULL : reg;
> -
> -		/*
> -		* UGLY HACK:  workaround regulator framework bugs.
> -		* When the bootloader leaves a supply active, it's
> -		* initialized with zero usecount ... and we can't
> -		* disable it without first enabling it.  Until the
> -		* framework is fixed, we need a workaround like this
> -		* (which is safe for MMC, but not in general).
> -		*/
> -		if (regulator_is_enabled(host->vcc) > 0) {
> -			regulator_enable(host->vcc);
> -			regulator_disable(host->vcc);
> -		}
> -		if (host->vcc_aux) {
> -			if (regulator_is_enabled(reg) > 0) {
> -				regulator_enable(reg);
> -				regulator_disable(reg);
> -			}
> -		}
>  	}
>  
>  	return 0;
> _
> 
> Patches currently in -mm which might be from adrian.hunter@nokia.com are
> 
> origin.patch
> linux-next.patch
> mmc-recognize-csd-structure.patch
> mmc-recognize-csd-structure-fix.patch
> mmc-split-mmc_sd_init_card.patch
> mmc-implement-sd-combo-iomem-support.patch
> mmc-omap-fix-for-bus-width-which-improves-sd-cards-peformance.patch
> sdio-allow-non-standard-sdio-cards.patch
> omap_hsmmc-add-init_card-pass-through-callback.patch
> omap-pandora-pass-wl1251-information-to-sdio-core.patch
> mmc-add-erase-secure-erase-trim-and-secure-trim-operations.patch
> mmc_block-add-discard-support.patch
> omap_hsmmc-add-erase-capability.patch
> block-add-secure-discard.patch
> mmc_block-add-support-for-secure-discard.patch
> mmc_test-add-performance-tests.patch
> mmc_test-fix-large-memory-allocation.patch
> mmc-use-regulator-framework-correctly.patch
> omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs.patch
> 
> 


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2010-08-05 21:33 + omap_hsmmc-remove-ugly-hack-workaround-regulator-framework-bugs.patch added to -mm tree akpm
2010-08-08 11:42 ` Adrian Hunter

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