* [PATCH 0/1] ARM: OMAP3: Add missing iva2 clken_pll save/restore
@ 2009-05-13 6:48 Kalle Jokiniemi
2009-05-13 6:48 ` [PATCH 1/1] " Kalle Jokiniemi
0 siblings, 1 reply; 3+ messages in thread
From: Kalle Jokiniemi @ 2009-05-13 6:48 UTC (permalink / raw)
To: khilman; +Cc: linux-omap, jouni.hogander
I stumbled upon a register missing from the prcm save/restore
functions. The following patch fixes the issue. Applies on top of latest
pm-branch. Tested on rx-51.
Kalle Jokiniemi (1):
ARM: OMAP3: Add missing iva2 clken_pll save/restore
arch/arm/mach-omap2/prcm.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
^ permalink raw reply [flat|nested] 3+ messages in thread* [PATCH 1/1] ARM: OMAP3: Add missing iva2 clken_pll save/restore 2009-05-13 6:48 [PATCH 0/1] ARM: OMAP3: Add missing iva2 clken_pll save/restore Kalle Jokiniemi @ 2009-05-13 6:48 ` Kalle Jokiniemi 2009-05-13 16:49 ` Kevin Hilman 0 siblings, 1 reply; 3+ messages in thread From: Kalle Jokiniemi @ 2009-05-13 6:48 UTC (permalink / raw) To: khilman; +Cc: linux-omap, jouni.hogander, Kalle Jokiniemi The CM_CLKEN_PLL_IVA2 register was not being saved by the current prcm save/restore code. This patch adds the proper save/restore for that register. Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@digia.com> --- arch/arm/mach-omap2/prcm.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index a24792a..4f7fd99 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -54,6 +54,7 @@ struct omap3_prcm_regs { u32 pll_cm_clken2; u32 cm_polctrl; u32 iva2_cm_fclken; + u32 iva2_cm_clken_pll; u32 core_cm_fclken1; u32 core_cm_fclken3; u32 sgx_cm_fclken; @@ -260,6 +261,8 @@ void omap3_prcm_save_context(void) prcm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL); prcm_context.iva2_cm_fclken = cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_FCLKEN); + prcm_context.iva2_cm_clken_pll = cm_read_mod_reg(OMAP3430_IVA2_MOD, + OMAP3430_CM_CLKEN_PLL); prcm_context.core_cm_fclken1 = cm_read_mod_reg(CORE_MOD, CM_FCLKEN1); prcm_context.core_cm_fclken3 = @@ -414,6 +417,8 @@ void omap3_prcm_restore_context(void) __raw_writel(prcm_context.cm_polctrl, OMAP3430_CM_POLCTRL); cm_write_mod_reg(prcm_context.iva2_cm_fclken, OMAP3430_IVA2_MOD, CM_FCLKEN); + cm_write_mod_reg(prcm_context.iva2_cm_clken_pll, OMAP3430_IVA2_MOD, + OMAP3430_CM_CLKEN_PLL); cm_write_mod_reg(prcm_context.core_cm_fclken1, CORE_MOD, CM_FCLKEN1); cm_write_mod_reg(prcm_context.core_cm_fclken3, CORE_MOD, OMAP3430ES2_CM_FCLKEN3); -- 1.5.4.3 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 1/1] ARM: OMAP3: Add missing iva2 clken_pll save/restore 2009-05-13 6:48 ` [PATCH 1/1] " Kalle Jokiniemi @ 2009-05-13 16:49 ` Kevin Hilman 0 siblings, 0 replies; 3+ messages in thread From: Kevin Hilman @ 2009-05-13 16:49 UTC (permalink / raw) To: Kalle Jokiniemi; +Cc: linux-omap, jouni.hogander Kalle Jokiniemi <kalle.jokiniemi@digia.com> writes: > The CM_CLKEN_PLL_IVA2 register was not being saved by the > current prcm save/restore code. This patch adds the proper > save/restore for that register. > > Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi@digia.com> Thanks, pushing to PM branch. Kevin > --- > arch/arm/mach-omap2/prcm.c | 5 +++++ > 1 files changed, 5 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c > index a24792a..4f7fd99 100644 > --- a/arch/arm/mach-omap2/prcm.c > +++ b/arch/arm/mach-omap2/prcm.c > @@ -54,6 +54,7 @@ struct omap3_prcm_regs { > u32 pll_cm_clken2; > u32 cm_polctrl; > u32 iva2_cm_fclken; > + u32 iva2_cm_clken_pll; > u32 core_cm_fclken1; > u32 core_cm_fclken3; > u32 sgx_cm_fclken; > @@ -260,6 +261,8 @@ void omap3_prcm_save_context(void) > prcm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL); > prcm_context.iva2_cm_fclken = > cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_FCLKEN); > + prcm_context.iva2_cm_clken_pll = cm_read_mod_reg(OMAP3430_IVA2_MOD, > + OMAP3430_CM_CLKEN_PLL); > prcm_context.core_cm_fclken1 = > cm_read_mod_reg(CORE_MOD, CM_FCLKEN1); > prcm_context.core_cm_fclken3 = > @@ -414,6 +417,8 @@ void omap3_prcm_restore_context(void) > __raw_writel(prcm_context.cm_polctrl, OMAP3430_CM_POLCTRL); > cm_write_mod_reg(prcm_context.iva2_cm_fclken, OMAP3430_IVA2_MOD, > CM_FCLKEN); > + cm_write_mod_reg(prcm_context.iva2_cm_clken_pll, OMAP3430_IVA2_MOD, > + OMAP3430_CM_CLKEN_PLL); > cm_write_mod_reg(prcm_context.core_cm_fclken1, CORE_MOD, CM_FCLKEN1); > cm_write_mod_reg(prcm_context.core_cm_fclken3, CORE_MOD, > OMAP3430ES2_CM_FCLKEN3); > -- > 1.5.4.3 ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2009-05-13 16:49 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2009-05-13 6:48 [PATCH 0/1] ARM: OMAP3: Add missing iva2 clken_pll save/restore Kalle Jokiniemi 2009-05-13 6:48 ` [PATCH 1/1] " Kalle Jokiniemi 2009-05-13 16:49 ` Kevin Hilman
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