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soc/tegra: fuse: Trivial clean-up of tegra_init_revision()

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Clean-up the tegra_init_revision() function by removing the 'rev'
variable which is not needed and use the newly added helper function
tegra_get_minor_rev() to get the minor revision.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Jon Hunter 2020-04-17 13:39:49 +01:00 committed by Thierry Reding
parent 379ac9eb1f
commit d08a4095ab
1 changed files with 9 additions and 13 deletions
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22
drivers/soc/tegra/fuse/tegra-apbmisc.c
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@ -75,36 +75,32 @@ static const struct of_device_id apbmisc_match[] __initconst = {
void __init tegra_init_revision(void)
{
u32 id, chip_id, minor_rev;
int rev;
u8 chip_id, minor_rev;
id = tegra_read_chipid();
chip_id = (id >> 8) & 0xff;
minor_rev = (id >> 16) & 0xf;
chip_id = tegra_get_chip_id();
minor_rev = tegra_get_minor_rev();
switch (minor_rev) {
case 1:
rev = TEGRA_REVISION_A01;
tegra_sku_info.revision = TEGRA_REVISION_A01;
break;
case 2:
rev = TEGRA_REVISION_A02;
tegra_sku_info.revision = TEGRA_REVISION_A02;
break;
case 3:
if (chip_id == TEGRA20 && (tegra_fuse_read_spare(18) ||
tegra_fuse_read_spare(19)))
rev = TEGRA_REVISION_A03p;
tegra_sku_info.revision = TEGRA_REVISION_A03p;
else
rev = TEGRA_REVISION_A03;
tegra_sku_info.revision = TEGRA_REVISION_A03;
break;
case 4:
rev = TEGRA_REVISION_A04;
tegra_sku_info.revision = TEGRA_REVISION_A04;
break;
default:
rev = TEGRA_REVISION_UNKNOWN;
tegra_sku_info.revision = TEGRA_REVISION_UNKNOWN;
}
tegra_sku_info.revision = rev;
tegra_sku_info.sku_id = tegra_fuse_read_early(FUSE_SKU_INFO);
}