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-rw-r--r--arch/arm/mach-omap2/gpmc-onenand.c39
-rw-r--r--include/linux/platform_data/mtd-onenand-omap2.h8
2 files changed, 5 insertions, 42 deletions
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index 29d391b273f..50165aa4205 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -140,21 +140,10 @@ static void set_onenand_cfg(void __iomem *onenand_base)
}
static int omap2_onenand_get_freq(struct omap_onenand_platform_data *cfg,
- void __iomem *onenand_base, bool *clk_dep)
+ void __iomem *onenand_base)
{
u16 ver = readw(onenand_base + ONENAND_REG_VERSION_ID);
- int freq = 0;
-
- if (cfg->get_freq) {
- struct onenand_freq_info fi;
-
- fi.maf_id = readw(onenand_base + ONENAND_REG_MANUFACTURER_ID);
- fi.dev_id = readw(onenand_base + ONENAND_REG_DEVICE_ID);
- fi.ver_id = ver;
- freq = cfg->get_freq(&fi, clk_dep);
- if (freq)
- return freq;
- }
+ int freq;
switch ((ver >> 4) & 0xf) {
case 0:
@@ -182,7 +171,7 @@ static int omap2_onenand_get_freq(struct omap_onenand_platform_data *cfg,
static struct gpmc_timings
omap2_onenand_calc_sync_timings(struct omap_onenand_platform_data *cfg,
- int freq, bool clk_dep)
+ int freq)
{
struct gpmc_timings t;
const int t_cer = 15;
@@ -261,22 +250,6 @@ omap2_onenand_calc_sync_timings(struct omap_onenand_platform_data *cfg,
else
latency = 4;
- if (clk_dep) {
- if (gpmc_clk_ns < 12) { /* >83Mhz */
- t_ces = 3;
- t_avds = 4;
- } else if (gpmc_clk_ns < 15) { /* >66Mhz */
- t_ces = 5;
- t_avds = 4;
- } else if (gpmc_clk_ns < 25) { /* >40Mhz */
- t_ces = 6;
- t_avds = 5;
- } else {
- t_ces = 7;
- t_avds = 7;
- }
- }
-
/* Set synchronous read timings */
memset(&t, 0, sizeof(t));
@@ -399,16 +372,14 @@ static int omap2_onenand_setup_sync(void __iomem *onenand_base, int *freq_ptr)
{
int ret, freq = *freq_ptr;
struct gpmc_timings t;
- bool clk_dep = false;
if (!freq) {
/* Very first call freq is not known */
- freq = omap2_onenand_get_freq(gpmc_onenand_data,
- onenand_base, &clk_dep);
+ freq = omap2_onenand_get_freq(gpmc_onenand_data, onenand_base);
set_onenand_cfg(onenand_base);
}
- t = omap2_onenand_calc_sync_timings(gpmc_onenand_data, freq, clk_dep);
+ t = omap2_onenand_calc_sync_timings(gpmc_onenand_data, freq);
ret = gpmc_set_sync_mode(gpmc_onenand_data->cs, &t);
if (IS_ERR_VALUE(ret))
diff --git a/include/linux/platform_data/mtd-onenand-omap2.h b/include/linux/platform_data/mtd-onenand-omap2.h
index 2858667d2e4..21bb0ff4052 100644
--- a/include/linux/platform_data/mtd-onenand-omap2.h
+++ b/include/linux/platform_data/mtd-onenand-omap2.h
@@ -15,20 +15,12 @@
#define ONENAND_SYNC_READ (1 << 0)
#define ONENAND_SYNC_READWRITE (1 << 1)
-struct onenand_freq_info {
- u16 maf_id;
- u16 dev_id;
- u16 ver_id;
-};
-
struct omap_onenand_platform_data {
int cs;
int gpio_irq;
struct mtd_partition *parts;
int nr_parts;
int (*onenand_setup)(void __iomem *, int *freq_ptr);
- int (*get_freq)(const struct onenand_freq_info *freq_info,
- bool *clk_dep);
int dma_channel;
u8 flags;
u8 regulator_can_sleep;