diff options
author | Tero Kristo <t-kristo@ti.com> | 2015-03-03 10:58:56 +0200 |
---|---|---|
committer | Tero Kristo <t-kristo@ti.com> | 2015-06-02 12:31:13 +0300 |
commit | 846fdf2a3dd3343e5f461659f905c5ba43f325cc (patch) | |
tree | 49e699653d416a4066c965841147a70b7b234d3d /arch/arm/mach-omap2/clock.c | |
parent | a5aa8a603efa25dd41220bff990da025c93b632b (diff) |
ARM: OMAP2+: clock: remove support for legacy mpurate command line param
The legacy support is wrong and dangerous, as it doesn't take any
OPPs into account and does not scale voltages. Switching mpurate should
be handled through cpufreq.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Diffstat (limited to 'arch/arm/mach-omap2/clock.c')
-rw-r--r-- | arch/arm/mach-omap2/clock.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index 234cedf8967d..94a4949be9b0 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -582,47 +582,6 @@ const struct clk_hw_omap_ops clkhwops_wait = { }; /** - * omap2_clk_switch_mpurate_at_boot - switch ARM MPU rate by boot-time argument - * @mpurate_ck_name: clk name of the clock to change rate - * - * Change the ARM MPU clock rate to the rate specified on the command - * line, if one was specified. @mpurate_ck_name should be - * "virt_prcm_set" on OMAP2xxx and "dpll1_ck" on OMAP34xx/OMAP36xx. - * XXX Does not handle voltage scaling - on OMAP2xxx this is currently - * handled by the virt_prcm_set clock, but this should be handled by - * the OPP layer. XXX This is intended to be handled by the OPP layer - * code in the near future and should be removed from the clock code. - * Returns -EINVAL if 'mpurate' is zero or if clk_set_rate() rejects - * the rate, -ENOENT if the struct clk referred to by @mpurate_ck_name - * cannot be found, or 0 upon success. - */ -int __init omap2_clk_switch_mpurate_at_boot(const char *mpurate_ck_name) -{ - struct clk *mpurate_ck; - int r; - - if (!mpurate) - return -EINVAL; - - mpurate_ck = clk_get(NULL, mpurate_ck_name); - if (WARN(IS_ERR(mpurate_ck), "Failed to get %s.\n", mpurate_ck_name)) - return -ENOENT; - - r = clk_set_rate(mpurate_ck, mpurate); - if (r < 0) { - WARN(1, "clock: %s: unable to set MPU rate to %d: %d\n", - mpurate_ck_name, mpurate, r); - clk_put(mpurate_ck); - return -EINVAL; - } - - calibrate_delay(); - clk_put(mpurate_ck); - - return 0; -} - -/** * omap2_clk_print_new_rates - print summary of current clock tree rates * @hfclkin_ck_name: clk name for the off-chip HF oscillator * @core_ck_name: clk name for the on-chip CORE_CLK |