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authorPaolo Bonzini <pbonzini@redhat.com>2024-11-14 07:06:24 -0500
committerPaolo Bonzini <pbonzini@redhat.com>2024-11-14 07:06:24 -0500
commit0586ade9e7f9491ccbe1e00975978cb9c2093006 (patch)
tree3dbb536e37d3e86086bd51dcee4bf81041bac087 /drivers/pwm/pwm-imx-tpm.c
parent7b541d557f705c7e5bcd874f3b960c8fb8dee562 (diff)
parent9899b8201025d00b23aee143594a30c55cc4cc35 (diff)
Merge tag 'loongarch-kvm-6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.13 1. Add iocsr and mmio bus simulation in kernel. 2. Add in-kernel interrupt controller emulation. 3. Add virt extension support for eiointc irqchip.
Diffstat (limited to 'drivers/pwm/pwm-imx-tpm.c')
-rw-r--r--drivers/pwm/pwm-imx-tpm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c
index 96ea343856f0..7ee7b65b9b90 100644
--- a/drivers/pwm/pwm-imx-tpm.c
+++ b/drivers/pwm/pwm-imx-tpm.c
@@ -106,7 +106,9 @@ static int pwm_imx_tpm_round_state(struct pwm_chip *chip,
p->prescale = prescale;
period_count = (clock_unit + ((1 << prescale) >> 1)) >> prescale;
- p->mod = period_count;
+ if (period_count == 0)
+ return -EINVAL;
+ p->mod = period_count - 1;
/* calculate real period HW can support */
tmp = (u64)period_count << prescale;