Commit 6d056b72 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Michael Ellerman
Browse files

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: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarWolfram Sang <wsa@kernel.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220507100147.5802-1-andriy.shevchenko@linux.intel.com
parent 882c835b

arch/powerpc/include/asm/mpc52xx.h

+0 −1
Original line number Diff line number Diff line
@@ -274,7 +274,6 @@ extern void mpc52xx_declare_of_platform_devices(void); 
extern int mpc5200_psc_ac97_gpio_reset(int psc_number);

extern void mpc52xx_map_common_devices(void);

extern int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv);

extern unsigned int mpc52xx_get_xtal_freq(struct device_node *node);

extern void __noreturn mpc52xx_restart(char *cmd);



/* mpc52xx_gpt.c */

arch/powerpc/platforms/52xx/mpc52xx_common.c

+0 −37
Original line number Diff line number Diff line
@@ -203,43 +203,6 @@ 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

 */