Re: [PATCHv2 11/19] ARM: OMAP4: PM: save/restore CM L3INSTR registers when MPU hits OSWR/OFF mode
On Thu, May 17, 2012 at 4:47 AM, Kevin Hilman khil...@ti.com wrote: Tero Kristo t-kri...@ti.com writes: From: Rajendra Nayak rna...@ti.com On HS devices on the way out of MPU OSWR and OFF ROM code wrongly overwrites the CM L3INSTR registers. So to avoid this, save them and restore on the way out from MPU OSWR/OFF. This errata applies to all HS/EMU versions of OMAP4. Signed-off-by: Rajendra Nayak rna...@ti.com Signed-off-by: Santosh Shilimkar santosh.shilim...@ti.com [t-kri...@ti.com: added omap4 pm errata support] Signed-off-by: Tero Kristo t-kri...@ti.com Let's use the cluster PM notifiers here too, using the PM errata check when registering the notifier. Good idea. -- To unsubscribe from this list: send the line unsubscribe linux-omap in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCHv2 11/19] ARM: OMAP4: PM: save/restore CM L3INSTR registers when MPU hits OSWR/OFF mode
Tero Kristo t-kri...@ti.com writes: From: Rajendra Nayak rna...@ti.com On HS devices on the way out of MPU OSWR and OFF ROM code wrongly overwrites the CM L3INSTR registers. So to avoid this, save them and restore on the way out from MPU OSWR/OFF. This errata applies to all HS/EMU versions of OMAP4. Signed-off-by: Rajendra Nayak rna...@ti.com Signed-off-by: Santosh Shilimkar santosh.shilim...@ti.com [t-kri...@ti.com: added omap4 pm errata support] Signed-off-by: Tero Kristo t-kri...@ti.com Let's use the cluster PM notifiers here too, using the PM errata check when registering the notifier. Kevin -- To unsubscribe from this list: send the line unsubscribe linux-omap in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
