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Diffstat (limited to 'target/linux/layerscape/patches-5.4/816-sdhc-0002-LF-605-mmc-sdhci-of-esdhc-convert-to-use-esdhc_tunin.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/816-sdhc-0002-LF-605-mmc-sdhci-of-esdhc-convert-to-use-esdhc_tunin.patch77
1 files changed, 0 insertions, 77 deletions
diff --git a/target/linux/layerscape/patches-5.4/816-sdhc-0002-LF-605-mmc-sdhci-of-esdhc-convert-to-use-esdhc_tunin.patch b/target/linux/layerscape/patches-5.4/816-sdhc-0002-LF-605-mmc-sdhci-of-esdhc-convert-to-use-esdhc_tunin.patch
deleted file mode 100644
index df19568863..0000000000
--- a/target/linux/layerscape/patches-5.4/816-sdhc-0002-LF-605-mmc-sdhci-of-esdhc-convert-to-use-esdhc_tunin.patch
+++ /dev/null
@@ -1,77 +0,0 @@
-From e95c04bd6d9ebe081126184fb228461b1b3fa7aa Mon Sep 17 00:00:00 2001
-From: Yangbo Lu <yangbo.lu@nxp.com>
-Date: Thu, 12 Dec 2019 15:52:18 +0800
-Subject: [PATCH] LF-605 mmc: sdhci-of-esdhc: convert to use
- esdhc_tuning_window_ptr()
-
-Convert to use a new function esdhc_tuning_window_ptr() to
-get tuning window start point and end point.
-
-Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
-Acked-by: Adrian Hunter <adrian.hunter@intel.com>
----
- drivers/mmc/host/sdhci-of-esdhc.c | 34 +++++++++++++++++++++-------------
- 1 file changed, 21 insertions(+), 13 deletions(-)
-
---- a/drivers/mmc/host/sdhci-of-esdhc.c
-+++ b/drivers/mmc/host/sdhci-of-esdhc.c
-@@ -924,20 +924,11 @@ static void esdhc_tuning_block_enable(st
- esdhc_clock_enable(host, true);
- }
-
--static void esdhc_prepare_sw_tuning(struct sdhci_host *host, u8 *window_start,
-+static void esdhc_tuning_window_ptr(struct sdhci_host *host, u8 *window_start,
- u8 *window_end)
- {
-- struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-- struct sdhci_esdhc *esdhc = sdhci_pltfm_priv(pltfm_host);
-- u8 tbstat_15_8, tbstat_7_0;
- u32 val;
-
-- if (esdhc->quirk_tuning_erratum_type1) {
-- *window_start = 5 * esdhc->div_ratio;
-- *window_end = 3 * esdhc->div_ratio;
-- return;
-- }
--
- /* Write TBCTL[11:8]=4'h8 */
- val = sdhci_readl(host, ESDHC_TBCTL);
- val &= ~(0xf << 8);
-@@ -956,6 +947,25 @@ static void esdhc_prepare_sw_tuning(stru
- val = sdhci_readl(host, ESDHC_TBSTAT);
- val = sdhci_readl(host, ESDHC_TBSTAT);
-
-+ *window_end = val & 0xff;
-+ *window_start = (val >> 8) & 0xff;
-+}
-+
-+static void esdhc_prepare_sw_tuning(struct sdhci_host *host, u8 *window_start,
-+ u8 *window_end)
-+{
-+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-+ struct sdhci_esdhc *esdhc = sdhci_pltfm_priv(pltfm_host);
-+ u8 start_ptr, end_ptr;
-+
-+ if (esdhc->quirk_tuning_erratum_type1) {
-+ *window_start = 5 * esdhc->div_ratio;
-+ *window_end = 3 * esdhc->div_ratio;
-+ return;
-+ }
-+
-+ esdhc_tuning_window_ptr(host, &start_ptr, &end_ptr);
-+
- /* Reset data lines by setting ESDHCCTL[RSTD] */
- sdhci_reset(host, SDHCI_RESET_DATA);
- /* Write 32'hFFFF_FFFF to IRQSTAT register */
-@@ -966,10 +976,8 @@ static void esdhc_prepare_sw_tuning(stru
- * then program TBPTR[TB_WNDW_END_PTR] = 4 * div_ratio
- * and program TBPTR[TB_WNDW_START_PTR] = 8 * div_ratio.
- */
-- tbstat_7_0 = val & 0xff;
-- tbstat_15_8 = (val >> 8) & 0xff;
-
-- if (abs(tbstat_15_8 - tbstat_7_0) > (4 * esdhc->div_ratio)) {
-+ if (abs(start_ptr - end_ptr) > (4 * esdhc->div_ratio)) {
- *window_start = 8 * esdhc->div_ratio;
- *window_end = 4 * esdhc->div_ratio;
- } else {