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| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-05-07 13:01:44 +0300 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-06-22 12:51:49 +1000 |
| commit | 6d056b7254f9954522b7bb9947c8779a013d189f (patch) | |
| tree | 869dd32e4569a3f70453320c8850a0a8c50c2e75 /arch/powerpc/platforms | |
| parent | cxl: drop unexpected word "the" in the comments (diff) | |
| download | linux-dev-6d056b7254f9954522b7bb9947c8779a013d189f.tar.xz linux-dev-6d056b7254f9954522b7bb9947c8779a013d189f.zip | |
powerpc/52xx: Remove dead code, i.e. mpc52xx_get_xtal_freq()
It seems mpc52xx_get_xtal_freq() is not used anywhere. Remove dead code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220507100147.5802-1-andriy.shevchenko@linux.intel.com
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/52xx/mpc52xx_common.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c index 4348506d667d..409c0ec06265 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_common.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c @@ -204,43 +204,6 @@ int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv) EXPORT_SYMBOL(mpc52xx_set_psc_clkdiv); /** - * mpc52xx_get_xtal_freq - Get SYS_XTAL_IN frequency for a device - * - * @node: device node - * - * Returns the frequency of the external oscillator clock connected - * to the SYS_XTAL_IN pin, or 0 if it cannot be determined. - */ -unsigned int mpc52xx_get_xtal_freq(struct device_node *node) -{ - u32 val; - unsigned int freq; - - if (!mpc52xx_cdm) - return 0; - - freq = mpc5xxx_get_bus_frequency(node); - if (!freq) - return 0; - - if (in_8(&mpc52xx_cdm->ipb_clk_sel) & 0x1) - freq *= 2; - - val = in_be32(&mpc52xx_cdm->rstcfg); - if (val & (1 << 5)) - freq *= 8; - else - freq *= 4; - if (val & (1 << 6)) - freq /= 12; - else - freq /= 16; - - return freq; -} -EXPORT_SYMBOL(mpc52xx_get_xtal_freq); - -/** * mpc52xx_restart: ppc_md->restart hook for mpc5200 using the watchdog timer */ void __noreturn mpc52xx_restart(char *cmd) |