From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Walmsley Subject: [PATCH B 07/10] OMAP3 powerdomains: remove RET from SGX power states list Date: Tue, 27 Jan 2009 19:44:28 -0700 Message-ID: <20090128024425.27240.28890.stgit@localhost.localdomain> References: <20090128024301.27240.39391.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from utopia.booyaka.com ([72.9.107.138]:60277 "EHLO utopia.booyaka.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751240AbZA1UYL (ORCPT ); Wed, 28 Jan 2009 15:24:11 -0500 In-Reply-To: <20090128024301.27240.39391.stgit@localhost.localdomain> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-arm-kernel@lists.arm.linux.org.uk, linux-kernel@vger.kernel.org Cc: linux-omap@vger.kernel.org, Richard Woodruff , Paul Walmsley , Tony Lindgren The SGX device on OMAP3 does not support retention, so remove RET from the list of possible SGX power states. Problem debugged by Richard Woodruff . Signed-off-by: Richard Woodruff Signed-off-by: Paul Walmsley Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/powerdomains34xx.h | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/powerdomains34xx.h b/arch/arm/mach-omap2/powerdomains34xx.h index 446a1ed..edfad42 100644 --- a/arch/arm/mach-omap2/powerdomains34xx.h +++ b/arch/arm/mach-omap2/powerdomains34xx.h @@ -255,6 +255,11 @@ static struct powerdomain dss_pwrdm = { }, }; +/* + * Although the 34XX TRM Rev K Table 4-371 notes that retention is a + * possible SGX powerstate, the SGX device itself does not support + * retention. + */ static struct powerdomain sgx_pwrdm = { .name = "sgx_pwrdm", .prcm_offs = OMAP3430ES2_SGX_MOD, @@ -262,7 +267,7 @@ static struct powerdomain sgx_pwrdm = { .wkdep_srcs = gfx_sgx_wkdeps, .sleepdep_srcs = cam_gfx_sleepdeps, /* XXX This is accurate for 3430 SGX, but what about GFX? */ - .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts = PWRSTS_OFF_ON, .pwrsts_logic_ret = PWRDM_POWER_RET, .banks = 1, .pwrsts_mem_ret = {