A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-15 01:01:56 -04:00
Code Issues Projects Releases Packages Wiki Activity

mmc: host: sdhci-msm: Don't return error on missing bus voting paths

Browse source 
On MDM targets we have only one path for bus voting (sdhc-ddr).
If we provide only one path and not the other one then probe will
itself fail as per the current logic.

Don't return error when bus voting paths not found.

Change-Id: Idf5401266793f4d4003391816f7511f8c0754696
Signed-off-by: Sarthak Garg <sartgarg@codeaurora.org>
This commit is contained in:
Sarthak Garg 2020-12-23 15:27:38 +05:30
commit 94361fce31
1 changed files with 17 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

30
drivers/mmc/host/sdhci-msm.c
View file

@ -2862,7 +2862,7 @@ static inline int sdhci_msm_bus_set_vote(struct sdhci_msm_host *msm_host,
struct sdhci_msm_bus_vote_data *bvd = msm_host->bus_vote_data;
struct msm_bus_path *usecase = bvd->usecase;
struct msm_bus_vectors *vec = usecase[vote].vec;
int ddr_rc, cpu_rc;
int ddr_rc = 0, cpu_rc = 0;
if (vote == bvd->curr_vote)
return 0;
@ -2870,8 +2870,13 @@ static inline int sdhci_msm_bus_set_vote(struct sdhci_msm_host *msm_host,
pr_debug("%s: vote:%d sdhc_ddr ab:%llu ib:%llu cpu_sdhc ab:%llu ib:%llu\n",
mmc_hostname(host->mmc), vote, vec[0].ab,
vec[0].ib, vec[1].ab, vec[1].ib);
ddr_rc = icc_set_bw(bvd->sdhc_ddr, vec[0].ab, vec[0].ib);
cpu_rc = icc_set_bw(bvd->cpu_sdhc, vec[1].ab, vec[1].ib);
if (bvd->sdhc_ddr)
ddr_rc = icc_set_bw(bvd->sdhc_ddr, vec[0].ab, vec[0].ib);
if (bvd->cpu_sdhc)
cpu_rc = icc_set_bw(bvd->cpu_sdhc, vec[1].ab, vec[1].ib);
if (ddr_rc || cpu_rc) {
pr_err("%s: icc_set() failed\n",
mmc_hostname(host->mmc));
@ -2894,8 +2899,8 @@ static void sdhci_msm_bus_get_and_set_vote(struct sdhci_host *host,
struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host);
if (!msm_host->bus_vote_data ||
!msm_host->bus_vote_data->sdhc_ddr ||
!msm_host->bus_vote_data->cpu_sdhc)
(!msm_host->bus_vote_data->sdhc_ddr &&
!msm_host->bus_vote_data->cpu_sdhc))
return;
vote = sdhci_msm_bus_get_vote_for_bw(msm_host, bw);
sdhci_msm_bus_set_vote(msm_host, vote);
@ -3004,20 +3009,16 @@ static int sdhci_msm_bus_register(struct sdhci_msm_host *host,
bsd->sdhc_ddr = of_icc_get(&pdev->dev, "sdhc-ddr");
if (IS_ERR_OR_NULL(bsd->sdhc_ddr)) {
dev_err(&pdev->dev, "(%ld): failed getting %s path\n",
dev_info(&pdev->dev, "(%ld): failed getting %s path\n",
PTR_ERR(bsd->sdhc_ddr), "sdhc-ddr");
ret = PTR_ERR(bsd->sdhc_ddr);
bsd->sdhc_ddr = NULL;
return ret;
}
bsd->cpu_sdhc = of_icc_get(&pdev->dev, "cpu-sdhc");
if (IS_ERR_OR_NULL(bsd->cpu_sdhc)) {
dev_err(&pdev->dev, "(%ld): failed getting %s path\n",
dev_info(&pdev->dev, "(%ld): failed getting %s path\n",
PTR_ERR(bsd->cpu_sdhc), "cpu-sdhc");
ret = PTR_ERR(bsd->cpu_sdhc);
bsd->cpu_sdhc = NULL;
return ret;
}
return ret;
@ -3028,8 +3029,11 @@ static void sdhci_msm_bus_unregister(struct device *dev,
{
struct sdhci_msm_bus_vote_data *bsd = host->bus_vote_data;
icc_put(bsd->sdhc_ddr);
icc_put(bsd->cpu_sdhc);
if (bsd->sdhc_ddr)
icc_put(bsd->sdhc_ddr);
if (bsd->cpu_sdhc)
icc_put(bsd->cpu_sdhc);
}
static void sdhci_msm_bus_voting(struct sdhci_host *host, bool enable)