198 lines
5.6 KiB
Diff
198 lines
5.6 KiB
Diff
From 1b7db59be27bf231e14c83f1764fb97ff9406e80 Mon Sep 17 00:00:00 2001
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From: luyulin <luyulin@eswincomputing.com>
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Date: Tue, 30 Jul 2024 14:03:46 +0800
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Subject: [PATCH 132/219] fix:fix regulator warning print
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Changelogs:
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1. fix bug of regulator warning print when rtcwake
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2. fix bug of regulator warning print when rmmod ahci_eswin.ko
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3. add win2030_tbu_power ops in suspend and resume
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Signed-off-by: luyulin <luyulin@eswincomputing.com>
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---
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drivers/ata/ahci_eswin.c | 94 ++++++++++++++++++++++++++--------------
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1 file changed, 61 insertions(+), 33 deletions(-)
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diff --git a/drivers/ata/ahci_eswin.c b/drivers/ata/ahci_eswin.c
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index d9495dfe9887..c97431f008a2 100644
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--- a/drivers/ata/ahci_eswin.c
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+++ b/drivers/ata/ahci_eswin.c
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@@ -160,7 +160,7 @@ static int __init eswin_reset(struct device *dev)
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struct reset_control *pmalive_rst;
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struct reset_control *rbc_rst;
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struct reset_control *apb_rst;
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- int rc;
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+ int ret;
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asic0_rst = devm_reset_control_get_shared(dev, "asic0");
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if (IS_ERR_OR_NULL(asic0_rst)) {
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dev_err(dev, "Failed to asic0_rst handle\n");
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@@ -186,28 +186,26 @@ static int __init eswin_reset(struct device *dev)
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dev_err(dev, "Failed to apb_rst handle\n");
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return -EFAULT;
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}
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- printk("eswin sata before reset control deasser\n");
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if (asic0_rst) {
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- rc = reset_control_deassert(asic0_rst);
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- WARN_ON(0 != rc);
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+ ret = reset_control_deassert(asic0_rst);
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+ WARN_ON(0 != ret);
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}
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if (oob_rst) {
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- rc = reset_control_deassert(oob_rst);
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- WARN_ON(0 != rc);
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+ ret = reset_control_deassert(oob_rst);
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+ WARN_ON(0 != ret);
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}
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if (pmalive_rst) {
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- rc = reset_control_deassert(pmalive_rst);
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- WARN_ON(0 != rc);
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+ ret = reset_control_deassert(pmalive_rst);
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+ WARN_ON(0 != ret);
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}
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if (rbc_rst) {
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- rc = reset_control_deassert(rbc_rst);
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- WARN_ON(0 != rc);
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+ ret = reset_control_deassert(rbc_rst);
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+ WARN_ON(0 != ret);
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}
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if (apb_rst) {
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- rc = reset_control_deassert(apb_rst);
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- WARN_ON(0 != rc);
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+ ret = reset_control_deassert(apb_rst);
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+ WARN_ON(0 != ret);
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}
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- printk("eswin sata after reset control deasser\n");
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return 0;
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}
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@@ -218,7 +216,7 @@ static int eswin_unreset(struct device *dev)
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struct reset_control *oob_rst;
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struct reset_control *pmalive_rst;
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struct reset_control *rbc_rst;
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- int rc;
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+ int ret;
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asic0_rst = devm_reset_control_get_shared(dev, "asic0");
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if (IS_ERR_OR_NULL(asic0_rst)) {
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@@ -241,20 +239,20 @@ static int eswin_unreset(struct device *dev)
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return -EFAULT;
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}
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if (asic0_rst) {
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- rc = reset_control_assert(asic0_rst);
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- WARN_ON(0 != rc);
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+ ret = reset_control_assert(asic0_rst);
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+ WARN_ON(0 != ret);
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}
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if (oob_rst) {
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- rc = reset_control_assert(oob_rst);
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- WARN_ON(0 != rc);
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+ ret = reset_control_assert(oob_rst);
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+ WARN_ON(0 != ret);
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}
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if (pmalive_rst) {
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- rc = reset_control_assert(pmalive_rst);
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- WARN_ON(0 != rc);
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+ ret = reset_control_assert(pmalive_rst);
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+ WARN_ON(0 != ret);
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}
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if (rbc_rst) {
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- rc = reset_control_assert(rbc_rst);
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- WARN_ON(0 != rc);
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+ ret = reset_control_assert(rbc_rst);
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+ WARN_ON(0 != ret);
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}
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return 0;
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}
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@@ -262,22 +260,26 @@ static int eswin_unreset(struct device *dev)
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static int ahci_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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- struct device_node *np = dev->of_node;
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struct ahci_host_priv *hpriv;
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const struct ata_port_info *port;
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- int rc;
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+ int ret;
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hpriv = ahci_platform_get_resources(pdev,
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0);
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if (IS_ERR(hpriv))
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return PTR_ERR(hpriv);
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- rc = eswin_reset(dev);
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- if (rc)
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- return rc;
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+ ret = eswin_reset(dev);
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+ if (ret)
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+ return ret;
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eswin_sata_init(dev);
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eswin_sata_sid_cfg(dev);
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win2030_tbu_power(&pdev->dev, true);
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- rc = dma_set_mask_and_coherent(dev,DMA_BIT_MASK(41));
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+ ret = dma_set_mask_and_coherent(dev,DMA_BIT_MASK(41));
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+ if (ret)
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+ return ret;
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+ ret = ahci_platform_enable_regulators(hpriv);
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+ if (ret)
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+ return ret;
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of_property_read_u32(dev->of_node,
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"ports-implemented", &hpriv->saved_port_map);
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@@ -288,15 +290,15 @@ static int ahci_probe(struct platform_device *pdev)
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if (!port){
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port = &ahci_port_info;
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}
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- rc = ahci_platform_init_host(pdev, hpriv, port,
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+ ret = ahci_platform_init_host(pdev, hpriv, port,
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&ahci_platform_sht);
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- if (rc)
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+ if (ret)
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goto disable_resources;
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return 0;
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disable_resources:
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ahci_platform_disable_resources(hpriv);
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- return rc;
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+ return ret;
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}
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static int ahci_remove(struct platform_device *pdev)
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@@ -307,8 +309,34 @@ static int ahci_remove(struct platform_device *pdev)
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return 0;
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}
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-static SIMPLE_DEV_PM_OPS(ahci_pm_ops, ahci_platform_suspend,
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- ahci_platform_resume);
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+static int eswin_ahci_suspend(struct device *dev)
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+{
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+ int ret;
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+
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+ win2030_tbu_power(dev, false);
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+
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+ ret = ahci_platform_suspend(dev);
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+ if (ret)
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+ return ret;
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+
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+ return 0;
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+}
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+
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+static int eswin_ahci_resume(struct device *dev)
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+{
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+ int ret;
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+
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+ ret = ahci_platform_resume(dev);
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+ if (ret)
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+ return ret;
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+
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+ win2030_tbu_power(dev, true);
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+
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+ return 0;
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+}
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+
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+static SIMPLE_DEV_PM_OPS(ahci_pm_ops, eswin_ahci_suspend,
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+ eswin_ahci_resume);
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static const struct of_device_id ahci_of_match[] = {
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{ .compatible = "snps,eswin-ahci", },
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--
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2.47.0
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