From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Mon, 13 May 2024 10:30:14 +0000 Subject: [PATCH] modify sin led gpio --- kernel/drivers/staging/rts5208/rtsx.c | 78 +++++++++++++-------------------------- 1 files changed, 26 insertions(+), 52 deletions(-) diff --git a/kernel/drivers/staging/rts5208/rtsx.c b/kernel/drivers/staging/rts5208/rtsx.c index 69e6abe..898add4 100644 --- a/kernel/drivers/staging/rts5208/rtsx.c +++ b/kernel/drivers/staging/rts5208/rtsx.c @@ -1,19 +1,8 @@ -/* Driver for Realtek PCI-Express card reader +// SPDX-License-Identifier: GPL-2.0+ +/* + * Driver for Realtek PCI-Express card reader * * Copyright(c) 2009-2013 Realtek Semiconductor Corp. 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 as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, see <http://www.gnu.org/licenses/>. * * Author: * Wei WANG (wei_wang@realsil.com.cn) @@ -237,12 +226,6 @@ /* limit the total size of a transfer to 120 KB */ .max_sectors = 240, - /* merge commands... this seems to help performance, but - * periodically someone should test to see which setting is more - * optimal. - */ - .use_clustering = 1, - /* emulated HBA */ .emulated = 1, @@ -275,12 +258,12 @@ return 0; } -#ifdef CONFIG_PM /* * power management */ -static int rtsx_suspend(struct pci_dev *pci, pm_message_t state) +static int __maybe_unused rtsx_suspend(struct device *dev_d) { + struct pci_dev *pci = to_pci_dev(dev_d); struct rtsx_dev *dev = pci_get_drvdata(pci); struct rtsx_chip *chip; @@ -300,12 +283,9 @@ } if (chip->msi_en) - pci_disable_msi(pci); + pci_free_irq_vectors(pci); - pci_save_state(pci); - pci_enable_wake(pci, pci_choose_state(pci, state), 1); - pci_disable_device(pci); - pci_set_power_state(pci, pci_choose_state(pci, state)); + device_wakeup_enable(dev_d); /* unlock the device pointers */ mutex_unlock(&dev->dev_mutex); @@ -313,8 +293,9 @@ return 0; } -static int rtsx_resume(struct pci_dev *pci) +static int __maybe_unused rtsx_resume(struct device *dev_d) { + struct pci_dev *pci = to_pci_dev(dev_d); struct rtsx_dev *dev = pci_get_drvdata(pci); struct rtsx_chip *chip; @@ -326,20 +307,10 @@ /* lock the device pointers */ mutex_lock(&dev->dev_mutex); - pci_set_power_state(pci, PCI_D0); - pci_restore_state(pci); - if (pci_enable_device(pci) < 0) { - dev_err(&dev->pci->dev, - "%s: pci_enable_device failed, disabling device\n", - CR_DRIVER_NAME); - /* unlock the device pointers */ - mutex_unlock(&dev->dev_mutex); - return -EIO; - } pci_set_master(pci); if (chip->msi_en) { - if (pci_enable_msi(pci) < 0) + if (pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) < 0) chip->msi_en = 0; } @@ -357,7 +328,6 @@ return 0; } -#endif /* CONFIG_PM */ static void rtsx_shutdown(struct pci_dev *pci) { @@ -377,7 +347,7 @@ } if (chip->msi_en) - pci_disable_msi(pci); + pci_free_irq_vectors(pci); pci_disable_device(pci); } @@ -624,7 +594,7 @@ if (dev->irq > 0) free_irq(dev->irq, (void *)dev); if (dev->chip->msi_en) - pci_disable_msi(dev->pci); + pci_free_irq_vectors(dev->pci); if (dev->remap_addr) iounmap(dev->remap_addr); @@ -848,7 +818,8 @@ host = scsi_host_alloc(&rtsx_host_template, sizeof(*dev)); if (!host) { dev_err(&pci->dev, "Unable to allocate the scsi host\n"); - return -ENOMEM; + err = -ENOMEM; + goto scsi_host_alloc_fail; } dev = host_to_rtsx(host); @@ -875,7 +846,7 @@ dev_info(&pci->dev, "Resource length: 0x%x\n", (unsigned int)pci_resource_len(pci, 0)); dev->addr = pci_resource_start(pci, 0); - dev->remap_addr = ioremap_nocache(dev->addr, pci_resource_len(pci, 0)); + dev->remap_addr = ioremap(dev->addr, pci_resource_len(pci, 0)); if (!dev->remap_addr) { dev_err(&pci->dev, "ioremap error\n"); err = -ENXIO; @@ -890,7 +861,8 @@ (unsigned long)(dev->addr), (unsigned long)(dev->remap_addr)); dev->rtsx_resv_buf = dmam_alloc_coherent(&pci->dev, RTSX_RESV_BUF_LEN, - &dev->rtsx_resv_buf_addr, GFP_KERNEL); + &dev->rtsx_resv_buf_addr, + GFP_KERNEL); if (!dev->rtsx_resv_buf) { dev_err(&pci->dev, "alloc dma buffer fail\n"); err = -ENXIO; @@ -909,7 +881,7 @@ dev_info(&pci->dev, "pci->irq = %d\n", pci->irq); if (dev->chip->msi_en) { - if (pci_enable_msi(pci) < 0) + if (pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) < 0) dev->chip->msi_en = 0; } @@ -980,14 +952,16 @@ dev->chip->host_cmds_ptr = NULL; dev->chip->host_sg_tbl_ptr = NULL; if (dev->chip->msi_en) - pci_disable_msi(dev->pci); + pci_free_irq_vectors(dev->pci); dma_alloc_fail: iounmap(dev->remap_addr); ioremap_fail: kfree(dev->chip); chip_alloc_fail: dev_err(&pci->dev, "%s failed\n", __func__); - + scsi_host_put(host); +scsi_host_alloc_fail: + pci_release_regions(pci); return err; } @@ -999,6 +973,7 @@ quiesce_and_remove_host(dev); release_everything(dev); + pci_release_regions(pci); } /* PCI IDs */ @@ -1012,16 +987,15 @@ MODULE_DEVICE_TABLE(pci, rtsx_ids); +static SIMPLE_DEV_PM_OPS(rtsx_pm_ops, rtsx_suspend, rtsx_resume); + /* pci_driver definition */ static struct pci_driver rtsx_driver = { .name = CR_DRIVER_NAME, .id_table = rtsx_ids, .probe = rtsx_probe, .remove = rtsx_remove, -#ifdef CONFIG_PM - .suspend = rtsx_suspend, - .resume = rtsx_resume, -#endif + .driver.pm = &rtsx_pm_ops, .shutdown = rtsx_shutdown, }; -- Gitblit v1.6.2