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>

diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index afc1e8c32d6ccf8ced2372f6131300a8407ed1d7..e50e438b64aabd435962d479d39f0a2686a49139 100644 (file)
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -122,7 +122,8 @@ int 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;
        }