From: Benoit Cousson <b-cousson@ti.com> To: paul@pwsan.com Cc: rnayak@ti.com, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Benoit Cousson <b-cousson@ti.com> Subject: [PATCH v2 4/8] OMAP2+: hwmod: Do not write the enawakeup bit if SYSC_HAS_ENAWAKEUP is not set Date: Fri, 1 Jul 2011 22:54:03 +0200 [thread overview] Message-ID: <1309553647-14624-5-git-send-email-b-cousson@ti.com> (raw) In-Reply-To: <1309553647-14624-1-git-send-email-b-cousson@ti.com> The Type 2 type of IPs will not have any enawakeup bit in their sysconfig. Writing to that bit will instead trigger a softreset. Check the flag to write this bit only if the module supports it. Reported-by: Miguel Vadillo <vadillo@ti.com> Signed-off-by: Benoit Cousson <b-cousson@ti.com> Acked-by: Paul Walmsley <paul@pwsan.com> --- arch/arm/mach-omap2/omap_hwmod.c | 14 ++++---------- 1 files changed, 4 insertions(+), 10 deletions(-) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index cbc2a8a..3800084 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -387,8 +387,6 @@ static int _set_module_autoidle(struct omap_hwmod *oh, u8 autoidle, */ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v) { - u32 wakeup_mask; - if (!oh->class->sysc || !((oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) || (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) || @@ -400,9 +398,8 @@ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v) return -EINVAL; } - wakeup_mask = (0x1 << oh->class->sysc->sysc_fields->enwkup_shift); - - *v |= wakeup_mask; + if (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) + *v |= 0x1 << oh->class->sysc->sysc_fields->enwkup_shift; if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) _set_slave_idlemode(oh, HWMOD_IDLEMODE_SMART_WKUP, v); @@ -425,8 +422,6 @@ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v) */ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v) { - u32 wakeup_mask; - if (!oh->class->sysc || !((oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) || (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) || @@ -438,9 +433,8 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v) return -EINVAL; } - wakeup_mask = (0x1 << oh->class->sysc->sysc_fields->enwkup_shift); - - *v &= ~wakeup_mask; + if (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) + *v &= ~(0x1 << oh->class->sysc->sysc_fields->enwkup_shift); if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) _set_slave_idlemode(oh, HWMOD_IDLEMODE_SMART, v); -- 1.7.0.4
WARNING: multiple messages have this Message-ID (diff)
From: b-cousson@ti.com (Benoit Cousson) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 4/8] OMAP2+: hwmod: Do not write the enawakeup bit if SYSC_HAS_ENAWAKEUP is not set Date: Fri, 1 Jul 2011 22:54:03 +0200 [thread overview] Message-ID: <1309553647-14624-5-git-send-email-b-cousson@ti.com> (raw) In-Reply-To: <1309553647-14624-1-git-send-email-b-cousson@ti.com> The Type 2 type of IPs will not have any enawakeup bit in their sysconfig. Writing to that bit will instead trigger a softreset. Check the flag to write this bit only if the module supports it. Reported-by: Miguel Vadillo <vadillo@ti.com> Signed-off-by: Benoit Cousson <b-cousson@ti.com> Acked-by: Paul Walmsley <paul@pwsan.com> --- arch/arm/mach-omap2/omap_hwmod.c | 14 ++++---------- 1 files changed, 4 insertions(+), 10 deletions(-) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index cbc2a8a..3800084 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -387,8 +387,6 @@ static int _set_module_autoidle(struct omap_hwmod *oh, u8 autoidle, */ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v) { - u32 wakeup_mask; - if (!oh->class->sysc || !((oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) || (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) || @@ -400,9 +398,8 @@ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v) return -EINVAL; } - wakeup_mask = (0x1 << oh->class->sysc->sysc_fields->enwkup_shift); - - *v |= wakeup_mask; + if (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) + *v |= 0x1 << oh->class->sysc->sysc_fields->enwkup_shift; if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) _set_slave_idlemode(oh, HWMOD_IDLEMODE_SMART_WKUP, v); @@ -425,8 +422,6 @@ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v) */ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v) { - u32 wakeup_mask; - if (!oh->class->sysc || !((oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) || (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) || @@ -438,9 +433,8 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v) return -EINVAL; } - wakeup_mask = (0x1 << oh->class->sysc->sysc_fields->enwkup_shift); - - *v &= ~wakeup_mask; + if (oh->class->sysc->sysc_flags & SYSC_HAS_ENAWAKEUP) + *v &= ~(0x1 << oh->class->sysc->sysc_fields->enwkup_shift); if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP) _set_slave_idlemode(oh, HWMOD_IDLEMODE_SMART, v); -- 1.7.0.4
next prev parent reply other threads:[~2011-07-01 20:54 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-07-01 20:53 [PATCH v2 0/8] OMAP2+: hwmod framework fixes Benoit Cousson 2011-07-01 20:53 ` Benoit Cousson 2011-07-01 20:54 ` [PATCH v2 1/8] OMAP2+: hwmod: Fix smart-standby + wakeup support Benoit Cousson 2011-07-01 20:54 ` Benoit Cousson 2011-07-01 20:54 ` [PATCH v2 2/8] OMAP4: hwmod data: Add MSTANDBY_SMART_WKUP flag Benoit Cousson 2011-07-01 20:54 ` Benoit Cousson 2011-07-01 20:54 ` [PATCH v2 3/8] OMAP2+: hwmod: Enable module in shutdown to access sysconfig Benoit Cousson 2011-07-01 20:54 ` Benoit Cousson 2011-07-01 20:54 ` Benoit Cousson [this message] 2011-07-01 20:54 ` [PATCH v2 4/8] OMAP2+: hwmod: Do not write the enawakeup bit if SYSC_HAS_ENAWAKEUP is not set Benoit Cousson 2011-07-01 20:54 ` [PATCH v2 5/8] OMAP2+: hwmod: Remove _populate_mpu_rt_base warning Benoit Cousson 2011-07-01 20:54 ` Benoit Cousson 2011-07-01 20:54 ` [PATCH v2 6/8] OMAP2+: hwmod: Fix the HW reset management Benoit Cousson 2011-07-01 20:54 ` Benoit Cousson 2011-07-01 20:54 ` [PATCH v2 7/8] OMAP: hwmod: Add warnings if enable failed Benoit Cousson 2011-07-01 20:54 ` Benoit Cousson 2011-07-01 20:54 ` [PATCH v2 8/8] OMAP: hwmod: Move pr_debug to improve the readability Benoit Cousson 2011-07-01 20:54 ` Benoit Cousson 2011-07-06 7:55 ` [PATCH v2 0/8] OMAP2+: hwmod framework fixes Paul Walmsley 2011-07-06 7:55 ` Paul Walmsley 2011-07-06 8:02 ` Paul Walmsley 2011-07-06 8:02 ` Paul Walmsley 2011-07-06 21:33 ` Paul Walmsley 2011-07-06 21:33 ` Paul Walmsley
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