diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-msm.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-msm.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index d6c9ebd8d263..9cf14b359c14 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * drivers/mmc/host/sdhci-msm.c - Qualcomm SDHCI Platform driver * * Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/module.h> @@ -584,11 +575,14 @@ static int msm_init_cm_dll(struct sdhci_host *host) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); int wait_cnt = 50; - unsigned long flags; + unsigned long flags, xo_clk = 0; u32 config; const struct sdhci_msm_offset *msm_offset = msm_host->offset; + if (msm_host->use_14lpp_dll_reset && !IS_ERR_OR_NULL(msm_host->xo_clk)) + xo_clk = clk_get_rate(msm_host->xo_clk); + spin_lock_irqsave(&host->lock, flags); /* @@ -636,10 +630,10 @@ static int msm_init_cm_dll(struct sdhci_host *host) config &= CORE_FLL_CYCLE_CNT; if (config) mclk_freq = DIV_ROUND_CLOSEST_ULL((host->clock * 8), - clk_get_rate(msm_host->xo_clk)); + xo_clk); else mclk_freq = DIV_ROUND_CLOSEST_ULL((host->clock * 4), - clk_get_rate(msm_host->xo_clk)); + xo_clk); config = readl_relaxed(host->ioaddr + msm_offset->core_dll_config_2); |