From: Sagar Shrikant Kadam Date: Sun, 28 Jun 2020 14:45:02 +0000 (-0700) Subject: riscv: cpu: correctly handle the setting of CPU_FEAT_MMU bit X-Git-Tag: v2020.10~139^2~2^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b6b233ddb78205abc76dde60179bd129368dc3e8;p=platform%2Fkernel%2Fu-boot.git riscv: cpu: correctly handle the setting of CPU_FEAT_MMU bit The conditional check to read "mmu-type" from the device tree is not rightly handled due to which the cpu feature doesn't include CPU_FEAT_MMU even if it's corresponding entry is present in the device tree. The initialization of cpu features is now taken care in cpu-uclass driver, so no need to zero out cpu_freq in riscv_cpu driver and can be removed. Signed-off-by: Sagar Shrikant Kadam Reviewed-by: Pragnesh Patel Reviewed-by: Bin Meng --- diff --git a/drivers/cpu/riscv_cpu.c b/drivers/cpu/riscv_cpu.c index 76b0489..112690f 100644 --- a/drivers/cpu/riscv_cpu.c +++ b/drivers/cpu/riscv_cpu.c @@ -36,9 +36,6 @@ static int riscv_cpu_get_info(struct udevice *dev, struct cpu_info *info) struct clk clk; const char *mmu; - /* Zero out the frequency, in case sizeof(ulong) != sizeof(u32) */ - info->cpu_freq = 0; - /* First try getting the frequency from the assigned clock */ ret = clk_get_by_index(dev, 0, &clk); if (!ret) { @@ -52,7 +49,7 @@ static int riscv_cpu_get_info(struct udevice *dev, struct cpu_info *info) dev_read_u32(dev, "clock-frequency", (u32 *)&info->cpu_freq); mmu = dev_read_string(dev, "mmu-type"); - if (!mmu) + if (mmu) info->features |= BIT(CPU_FEAT_MMU); return 0;