Commit f44cf716 authored by Wang Qing's avatar Wang Qing Committed by Michael Ellerman
Browse files

powerpc/5xx: Drop unnecessary cast 



do_div() does a 64-by-32 division, the 2nd parameter is a u32.

gbp->ipb_freq is already a u32, there's no need to transform it to u64
before passing it to do_div().

Signed-off-by: default avatarWang Qing <wangqing@vivo.com>
Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
[mpe: Add some detail to change log]
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1644395696-3545-1-git-send-email-wangqing@vivo.com
parent dcbff9ad

arch/powerpc/platforms/52xx/mpc52xx_gpt.c

+1 −1
Original line number Diff line number Diff line
@@ -502,7 +502,7 @@ u64 mpc52xx_gpt_timer_period(struct mpc52xx_gpt_priv *gpt) 
	if (prescale == 0)

		prescale = 0x10000;

	period = period * prescale * 1000000000ULL;

	do_div(period, (u64)gpt->ipb_freq);

	do_div(period, gpt->ipb_freq);

	return period;

}

EXPORT_SYMBOL(mpc52xx_gpt_timer_period);