Message ID | 20210409111345.294472-7-claudiu.beznea@microchip.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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d="scan'208";a="113022515" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa2.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 09 Apr 2021 04:15:51 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Fri, 9 Apr 2021 04:15:51 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2176.2 via Frontend Transport; Fri, 9 Apr 2021 04:15:43 -0700 From: Claudiu Beznea <claudiu.beznea@microchip.com> To: <nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>, <ludovic.desroches@microchip.com>, <robh+dt@kernel.org>, <linux@armlinux.org.uk> CC: <linux-arm-kernel@lists.infradead.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Claudiu Beznea <claudiu.beznea@microchip.com> Subject: [PATCH v2 06/24] ARM: at91: pm: use r7 instead of tmp1 Date: Fri, 9 Apr 2021 14:13:27 +0300 Message-ID: <20210409111345.294472-7-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210409111345.294472-1-claudiu.beznea@microchip.com> References: <20210409111345.294472-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210409_041552_574484_F0C6BA8D X-CRM114-Status: UNSURE ( 9.20 ) X-CRM114-Notice: Please train this message. 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ARM: at91: pm: add support for sama7g5
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diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S index b683c2caa40b..3d20c9880fee 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -31,30 +31,36 @@ tmp3 .req r6 /* * Wait until master oscillator has stabilized. + * + * Side effects: overwrites r7 */ .macro wait_moscrdy -1: ldr tmp1, [pmc, #AT91_PMC_SR] - tst tmp1, #AT91_PMC_MOSCS +1: ldr r7, [pmc, #AT91_PMC_SR] + tst r7, #AT91_PMC_MOSCS beq 1b .endm /* * Wait for main oscillator selection is done + * + * Side effects: overwrites r7 */ .macro wait_moscsels -1: ldr tmp1, [pmc, #AT91_PMC_SR] - tst tmp1, #AT91_PMC_MOSCSELS +1: ldr r7, [pmc, #AT91_PMC_SR] + tst r7, #AT91_PMC_MOSCSELS beq 1b .endm /* * Put the processor to enter the idle state + * + * Side effects: overwrites r7 */ .macro at91_cpu_idle #if defined(CONFIG_CPU_V7) - mov tmp1, #AT91_PMC_PCK - str tmp1, [pmc, #AT91_PMC_SCDR] + mov r7, #AT91_PMC_PCK + str r7, [pmc, #AT91_PMC_SCDR] dsb
Use r7 instead of tmp1 in macros. This prepares the filed for next commits. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> --- arch/arm/mach-at91/pm_suspend.S | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-)