0005-ARM-omap2-gpmc-nand-Print-something-useful-on-CS-req.patch

From a5ab10ad612855716c1b52db6f96c9a092d746e0 Mon Sep 17 00:00:00 2001
From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Date: Tue, 12 Feb 2013 16:22:20 -0300
Subject: [PATCH 05/39] ARM: omap2: gpmc-nand: Print something useful on CS
 request failure

If CS request fails the current error message is rather unhelpful.
Fix it by printing the failing chip select and the error code.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Reviewed-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
---
 arch/arm/mach-omap2/gpmc-nand.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index db969a5..6027dd0 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -121,7 +121,8 @@ int __init gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
 	err = gpmc_cs_request(gpmc_nand_data->cs, NAND_IO_SIZE,
 				(unsigned long *)&gpmc_nand_resource[0].start);
 	if (err < 0) {
-		dev_err(dev, "Cannot request GPMC CS\n");
+		dev_err(dev, "Cannot request GPMC CS %d, error %d\n",
+			gpmc_nand_data->cs, err);
 		return err;
 	}
 
-- 
1.8.2.1