From: Yazen Ghannam <yazen.ghan...@amd.com> Define and use a macro for looping over the number of Unified Memory Controllers.
No functional change. Signed-off-by: Yazen Ghannam <yazen.ghan...@amd.com> --- Link: https://lkml.kernel.org/r/20190219202536.15462-2-yazen.ghan...@amd.com v1->v2: * New in V2. Please see comment on Patch 2 V1 at link above. drivers/edac/amd64_edac.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 0038fcb0b010..c82aafb7246a 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -449,6 +449,9 @@ static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct, #define for_each_chip_select_mask(i, dct, pvt) \ for (i = 0; i < pvt->csels[dct].m_cnt; i++) +#define for_each_umc(i) \ + for (i = 0; i < num_umcs; i++) + /* * @input_addr is an InputAddr associated with the node given by mci. Return the * csrow that input_addr maps to, or -1 on failure (no csrow claims input_addr). @@ -722,7 +725,7 @@ static unsigned long determine_edac_cap(struct amd64_pvt *pvt) if (pvt->umc) { u8 i, umc_en_mask = 0, dimm_ecc_en_mask = 0; - for (i = 0; i < num_umcs; i++) { + for_each_umc(i) { if (!(pvt->umc[i].sdp_ctrl & UMC_SDP_INIT)) continue; @@ -811,7 +814,7 @@ static void __dump_misc_regs_df(struct amd64_pvt *pvt) struct amd64_umc *umc; u32 i, tmp, umc_base; - for (i = 0; i < num_umcs; i++) { + for_each_umc(i) { umc_base = get_umc_base(i); umc = &pvt->umc[i]; @@ -1388,7 +1391,7 @@ static int f17_early_channel_count(struct amd64_pvt *pvt) int i, channels = 0; /* SDP Control bit 31 (SdpInit) is clear for unused UMC channels */ - for (i = 0; i < num_umcs; i++) + for_each_umc(i) channels += !!(pvt->umc[i].sdp_ctrl & UMC_SDP_INIT); amd64_info("MCT channel count: %d\n", channels); @@ -2604,7 +2607,7 @@ static void determine_ecc_sym_sz(struct amd64_pvt *pvt) if (pvt->umc) { u8 i; - for (i = 0; i < num_umcs; i++) { + for_each_umc(i) { /* Check enabled channels only: */ if ((pvt->umc[i].sdp_ctrl & UMC_SDP_INIT) && (pvt->umc[i].ecc_ctrl & BIT(7))) { @@ -2640,7 +2643,7 @@ static void __read_mc_regs_df(struct amd64_pvt *pvt) u32 i, umc_base; /* Read registers from each UMC */ - for (i = 0; i < num_umcs; i++) { + for_each_umc(i) { umc_base = get_umc_base(i); umc = &pvt->umc[i]; @@ -3053,7 +3056,7 @@ static bool ecc_enabled(struct pci_dev *F3, u16 nid) if (boot_cpu_data.x86 >= 0x17) { u8 umc_en_mask = 0, ecc_en_mask = 0; - for (i = 0; i < num_umcs; i++) { + for_each_umc(i) { u32 base = get_umc_base(i); /* Only check enabled UMCs. */ @@ -3106,7 +3109,7 @@ f17h_determine_edac_ctl_cap(struct mem_ctl_info *mci, struct amd64_pvt *pvt) { u8 i, ecc_en = 1, cpk_en = 1; - for (i = 0; i < num_umcs; i++) { + for_each_umc(i) { if (pvt->umc[i].sdp_ctrl & UMC_SDP_INIT) { ecc_en &= !!(pvt->umc[i].umc_cap_hi & UMC_ECC_ENABLED); cpk_en &= !!(pvt->umc[i].umc_cap_hi & UMC_ECC_CHIPKILL_CAP); -- 2.17.1
