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From: Tony Lindgren <tony@atomide.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Roger Quadros <rogerq@ti.com>,
	linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
	Roger Quadros <rogerq@kernel.org>
Subject: [PATCH 1/2] memory: omap-gpmc: Clear GPMC_CS_CONFIG7 register on restore if unused
Date: Tue, 27 Jul 2021 13:10:33 +0300	[thread overview]
Message-ID: <20210727101034.32148-1-tony@atomide.com> (raw)

We want to clear any unused GPMC_CS_CONFIG7 register on restore to
ensure unused chip selects are not enabled.

Cc: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 drivers/memory/omap-gpmc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
--- a/drivers/memory/omap-gpmc.c
+++ b/drivers/memory/omap-gpmc.c
@@ -2595,6 +2595,8 @@ void omap3_gpmc_restore_context(void)
 				gpmc_context.cs_context[i].config6);
 			gpmc_cs_write_reg(i, GPMC_CS_CONFIG7,
 				gpmc_context.cs_context[i].config7);
+		} else {
+			gpmc_cs_write_reg(i, GPMC_CS_CONFIG7, 0);
 		}
 	}
 }
-- 
2.32.0

             reply	other threads:[~2021-07-27 10:10 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-27 10:10 Tony Lindgren [this message]
2021-07-27 10:10 ` [PATCH 2/2] memory: omap-gpmc: Drop custom PM calls with cpu_pm notifier Tony Lindgren
2021-07-30 10:51   ` Roger Quadros
2021-07-29  8:08 ` [PATCH 1/2] memory: omap-gpmc: Clear GPMC_CS_CONFIG7 register on restore if unused Krzysztof Kozlowski
2021-07-30 10:59 ` Roger Quadros

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