On 06/11/2012 09:27 AM, Afzal Mohammed wrote: > Helper for reconfiguring CS, peripheral that necessitated > it was OneNAND.
Why? I think you need to add more about why this was needed. Jon > Signed-off-by: Afzal Mohammed <af...@ti.com> > --- > arch/arm/mach-omap2/gpmc.c | 32 > ++++++++++++++++++++++++++++++++ > arch/arm/plat-omap/include/plat/gpmc.h | 2 ++ > 2 files changed, 34 insertions(+) > > diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c > index 281bd23..d493a4c 100644 > --- a/arch/arm/mach-omap2/gpmc.c > +++ b/arch/arm/mach-omap2/gpmc.c > @@ -1429,6 +1429,38 @@ struct platform_device *gpmc_create_device(struct > gpmc_peripheral *p) > return pdev; > } > > +static int gpmc_match_device(char *name, int id) > +{ > + int i; > + struct gpmc_peripheral *g_per = gpmc_peripheral; > + > + for (i = 0; i < gpmc_num_peripheral; i++, g_per++) > + if (!strcmp(g_per->name, name) && g_per->id == id) > + return i; > + > + return -ENOENT; > +} > + > +int gpmc_cs_reconfigure(char *name, int id, struct gpmc_cs_data *c) > +{ > + int i; > + > + i = gpmc_match_device(name, id); > + if (IS_ERR_VALUE(i)) { > + dev_err(gpmc_dev, "no device %s.%d to configure\n", name, id); > + return i; > + } > + > + if (IS_ERR_VALUE(gpmc_setup_cs_config_timing(gpmc_peripheral + i, c))) { > + dev_err(gpmc_dev, "error: configure device %s.%d\n", name, id); > + return i; > + } > + > + return gpmc_setup_waitpin(gpmc_peripheral + i); > + > +} > +EXPORT_SYMBOL_GPL(gpmc_cs_reconfigure); > + > static __devinit int gpmc_probe(struct platform_device *pdev) > { > u32 l; > diff --git a/arch/arm/plat-omap/include/plat/gpmc.h > b/arch/arm/plat-omap/include/plat/gpmc.h > index e1b130c..32017a1 100644 > --- a/arch/arm/plat-omap/include/plat/gpmc.h > +++ b/arch/arm/plat-omap/include/plat/gpmc.h > @@ -247,6 +247,8 @@ extern int gpmc_cs_configure(int cs, int cmd, int wval); > extern int gpmc_nand_read(int cs, int cmd); > extern int gpmc_nand_write(int cs, int cmd, int wval); > > +extern int gpmc_cs_reconfigure(char *name, int id, struct gpmc_cs_data *c); > + > int gpmc_enable_hwecc(int cs, int mode, int dev_width, int ecc_size); > int gpmc_calculate_ecc(int cs, const u_char *dat, u_char *ecc_code); > -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html