diff options
author | Jon Hunter <jon-hunter@ti.com> | 2012-06-28 13:41:29 -0500 |
---|---|---|
committer | Afzal Mohammed <afzal@ti.com> | 2012-10-15 14:40:35 +0530 |
commit | 757ef79188657087f96f6f12c003b682860fede2 (patch) | |
tree | 3133de5915b93c1da678da94b6b64d9250b312f9 /arch/arm/mach-omap2/gpmc-onenand.c | |
parent | 46376884ce0a98c276187a169620a766f0941f08 (diff) | |
download | linux-757ef79188657087f96f6f12c003b682860fede2.tar.bz2 |
ARM: OMAP2+: GPMC: Remove unused OneNAND get_freq() platform function
A platform function pointer for getting the frequency of a OneNAND device
was added so that a platform could specify a custom function for returning
the frequency and not just rely on the OneNAND version to determine the
frequency. However, this platform function pointer is not currently being
used and I am not sure if it ever has.
OneNAND devices are not so common these days and as far as I know not being
used with new devices. Therefore, it is most likely that this get_freq()
function pointer will not be used and so remove it.
Given that the get_freq() function pointer is not used, neither is the
clk_dep variable and so all references to it can also be removed.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/gpmc-onenand.c')
-rw-r--r-- | arch/arm/mach-omap2/gpmc-onenand.c | 39 |
1 files changed, 5 insertions, 34 deletions
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index 29d391b273fc..50165aa4205a 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)) |