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31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
From d7a38584713b00cf9ae97aed89d5e8fb7e3c1bea Mon Sep 17 00:00:00 2001
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From: Chunfeng Yun <chunfeng.yun@mediatek.com>
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Date: Thu, 7 Dec 2017 19:53:35 +0800
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Subject: [PATCH 178/224] phy: phy-mtk-tphy: make shared banks optional for V1
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TPHY
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V1 TPHY for SATA doesn't have shared banks if it isn't shared
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with PCIe or USB, so make it optional.
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Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
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Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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---
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drivers/phy/mediatek/phy-mtk-tphy.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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--- a/drivers/phy/mediatek/phy-mtk-tphy.c
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+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
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@@ -1023,9 +1023,10 @@ static int mtk_tphy_probe(struct platfor
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tphy->dev = dev;
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platform_set_drvdata(pdev, tphy);
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- if (tphy->pdata->version == MTK_PHY_V1) {
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+ sif_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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+ /* SATA phy of V1 needn't it if not shared with PCIe or USB */
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+ if (sif_res && tphy->pdata->version == MTK_PHY_V1) {
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/* get banks shared by multiple phys */
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- sif_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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tphy->sif_base = devm_ioremap_resource(dev, sif_res);
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if (IS_ERR(tphy->sif_base)) {
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dev_err(dev, "failed to remap sif regs\n");
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