Jarkko Nikula wrote, on 03/02/2011 09:27 PM:
Currently it is possible to enable multiple times the smartreflex class
driver from userspace via ../smartreflex/autocomp debugfs entry. Fix this
by checking the autocomp_active state in sr_start_vddautocomp.
Signed-off-by: Jarkko Nikula<jhnikula@xxxxxxxxx>
---
Not known to cause any problems at the moment with class3 driver.
---
arch/arm/mach-omap2/smartreflex.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 95ac336..d94894a 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -213,6 +213,9 @@ static void sr_set_regfields(struct omap_sr *sr)
static void sr_start_vddautocomp(struct omap_sr *sr)
{
+ if (sr->autocomp_active)
+ return;
+
if (!sr_class || !(sr_class->enable) || !(sr_class->configure)) {
dev_warn(&sr->pdev->dev,
"%s: smartreflex class driver not registered\n",
is'nt:
http://marc.info/?l=linux-omap&m=129906344711663&w=2
better since the issue with userspace access -> debugfs?
--
Regards,
Nishanth Menon
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