diff options
Diffstat (limited to 'drivers/ata/sata_sil24.c')
| -rw-r--r-- | drivers/ata/sata_sil24.c | 102 |
1 files changed, 39 insertions, 63 deletions
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index aa1051ba6d13..d642ece9f07a 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -1,20 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * sata_sil24.c - Driver for Silicon Image 3124/3132 SATA-2 controllers * * Copyright 2005 Tejun Heo * * Based on preview driver from Silicon Image. - * - * 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. - * */ #include <linux/kernel.h> @@ -285,13 +275,13 @@ static const struct sil24_cerr_info { [PORT_CERR_INCONSISTENT] = { AC_ERR_HSM, ATA_EH_RESET, "protocol mismatch" }, [PORT_CERR_DIRECTION] = { AC_ERR_HSM, ATA_EH_RESET, - "data directon mismatch" }, + "data direction mismatch" }, [PORT_CERR_UNDERRUN] = { AC_ERR_HSM, ATA_EH_RESET, "ran out of SGEs while writing" }, [PORT_CERR_OVERRUN] = { AC_ERR_HSM, ATA_EH_RESET, "ran out of SGEs while reading" }, [PORT_CERR_PKT_PROT] = { AC_ERR_HSM, ATA_EH_RESET, - "invalid data directon for ATAPI CDB" }, + "invalid data direction for ATAPI CDB" }, [PORT_CERR_SGT_BOUNDARY] = { AC_ERR_SYSTEM, ATA_EH_RESET, "SGT not on qword boundary" }, [PORT_CERR_SGT_TGTABRT] = { AC_ERR_HOST_BUS, ATA_EH_RESET, @@ -336,9 +326,9 @@ static void sil24_dev_config(struct ata_device *dev); static int sil24_scr_read(struct ata_link *link, unsigned sc_reg, u32 *val); static int sil24_scr_write(struct ata_link *link, unsigned sc_reg, u32 val); static int sil24_qc_defer(struct ata_queued_cmd *qc); -static void sil24_qc_prep(struct ata_queued_cmd *qc); +static enum ata_completion_errors sil24_qc_prep(struct ata_queued_cmd *qc); static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc); -static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc); +static void sil24_qc_fill_rtf(struct ata_queued_cmd *qc); static void sil24_pmp_attach(struct ata_port *ap); static void sil24_pmp_detach(struct ata_port *ap); static void sil24_freeze(struct ata_port *ap); @@ -353,8 +343,10 @@ static void sil24_error_handler(struct ata_port *ap); static void sil24_post_internal_cmd(struct ata_queued_cmd *qc); static int sil24_port_start(struct ata_port *ap); static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int sil24_pci_device_resume(struct pci_dev *pdev); +#endif +#ifdef CONFIG_PM static int sil24_port_resume(struct ata_port *ap); #endif @@ -375,17 +367,20 @@ static struct pci_driver sil24_pci_driver = { .id_table = sil24_pci_tbl, .probe = sil24_init_one, .remove = ata_pci_remove_one, -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP .suspend = ata_pci_device_suspend, .resume = sil24_pci_device_resume, #endif }; -static struct scsi_host_template sil24_sht = { - ATA_NCQ_SHT(DRV_NAME), +static const struct scsi_host_template sil24_sht = { + __ATA_BASE_SHT(DRV_NAME), .can_queue = SIL24_MAX_CMDS, .sg_tablesize = SIL24_MAX_SGE, .dma_boundary = ATA_DMA_BOUNDARY, + .sdev_groups = ata_ncq_sdev_groups, + .change_queue_depth = ata_scsi_change_queue_depth, + .sdev_configure = ata_scsi_sdev_configure }; static struct ata_port_operations sil24_ops = { @@ -398,10 +393,10 @@ static struct ata_port_operations sil24_ops = { .freeze = sil24_freeze, .thaw = sil24_thaw, - .softreset = sil24_softreset, - .hardreset = sil24_hardreset, - .pmp_softreset = sil24_softreset, - .pmp_hardreset = sil24_pmp_hardreset, + .reset.softreset = sil24_softreset, + .reset.hardreset = sil24_hardreset, + .pmp_reset.softreset = sil24_softreset, + .pmp_reset.hardreset = sil24_pmp_hardreset, .error_handler = sil24_error_handler, .post_internal_cmd = sil24_post_internal_cmd, .dev_config = sil24_dev_config, @@ -601,7 +596,7 @@ static int sil24_init_port(struct ata_port *ap) static int sil24_exec_polled_cmd(struct ata_port *ap, int pmp, const struct ata_taskfile *tf, int is_cmd, u32 ctrl, - unsigned long timeout_msec) + unsigned int timeout_msec) { void __iomem *port = sil24_port_base(ap); struct sil24_port_priv *pp = ap->private_data; @@ -655,13 +650,11 @@ static int sil24_softreset(struct ata_link *link, unsigned int *class, { struct ata_port *ap = link->ap; int pmp = sata_srst_pmp(link); - unsigned long timeout_msec = 0; + unsigned int timeout_msec = 0; struct ata_taskfile tf; const char *reason; int rc; - DPRINTK("ENTER\n"); - /* put the port into known state */ if (sil24_init_port(ap)) { reason = "port not ready"; @@ -684,9 +677,8 @@ static int sil24_softreset(struct ata_link *link, unsigned int *class, } sil24_read_tf(ap, 0, &tf); - *class = ata_dev_classify(&tf); + *class = ata_port_classify(ap, &tf); - DPRINTK("EXIT, class=%u\n", *class); return 0; err: @@ -837,7 +829,7 @@ static int sil24_qc_defer(struct ata_queued_cmd *qc) return ata_std_qc_defer(qc); } -static void sil24_qc_prep(struct ata_queued_cmd *qc) +static enum ata_completion_errors sil24_qc_prep(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct sil24_port_priv *pp = ap->private_data; @@ -846,7 +838,7 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc) struct sil24_sge *sge; u16 ctrl = 0; - cb = &pp->cmd_block[sil24_tag(qc->tag)]; + cb = &pp->cmd_block[sil24_tag(qc->hw_tag)]; if (!ata_is_atapi(qc->tf.protocol)) { prb = &cb->ata.prb; @@ -881,6 +873,8 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc) if (qc->flags & ATA_QCFLAG_DMAMAP) sil24_fill_sg(qc, sge); + + return AC_ERR_OK; } static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc) @@ -888,7 +882,7 @@ static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; struct sil24_port_priv *pp = ap->private_data; void __iomem *port = sil24_port_base(ap); - unsigned int tag = sil24_tag(qc->tag); + unsigned int tag = sil24_tag(qc->hw_tag); dma_addr_t paddr; void __iomem *activate; @@ -906,10 +900,9 @@ static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc) return 0; } -static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc) +static void sil24_qc_fill_rtf(struct ata_queued_cmd *qc) { - sil24_read_tf(qc->ap, qc->tag, &qc->result_tf); - return true; + sil24_read_tf(qc->ap, qc->hw_tag, &qc->result_tf); } static void sil24_pmp_attach(struct ata_port *ap) @@ -1152,8 +1145,8 @@ static irqreturn_t sil24_interrupt(int irq, void *dev_instance) status = readl(host_base + HOST_IRQ_STAT); if (status == 0xffffffff) { - printk(KERN_ERR DRV_NAME ": IRQ status == 0xffffffff, " - "PCI fault or device removal?\n"); + dev_err(host->dev, "IRQ status == 0xffffffff, " + "PCI fault or device removal?\n"); goto out; } @@ -1190,7 +1183,7 @@ static void sil24_post_internal_cmd(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; /* make DMA engine forget about the failed command */ - if ((qc->flags & ATA_QCFLAG_FAILED) && sil24_init_port(ap)) + if ((qc->flags & ATA_QCFLAG_EH) && sil24_init_port(ap)) ata_eh_freeze_port(ap); } @@ -1209,7 +1202,6 @@ static int sil24_port_start(struct ata_port *ap) cb = dmam_alloc_coherent(dev, cb_size, &cb_dma, GFP_KERNEL); if (!cb) return -ENOMEM; - memset(cb, 0, cb_size); pp->cmd_block = cb; pp->cmd_block_dma = cb_dma; @@ -1309,28 +1301,10 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) host->iomap = iomap; /* configure and activate the device */ - if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); - if (rc) { - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc) { - dev_err(&pdev->dev, - "64-bit DMA enable failed\n"); - return rc; - } - } - } else { - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc) { - dev_err(&pdev->dev, "32-bit DMA enable failed\n"); - return rc; - } - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); - if (rc) { - dev_err(&pdev->dev, - "32-bit consistent DMA enable failed\n"); - return rc; - } + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (rc) { + dev_err(&pdev->dev, "DMA enable failed\n"); + return rc; } /* Set max read request size to 4096. This slightly increases @@ -1342,7 +1316,7 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (sata_sil24_msi && !pci_enable_msi(pdev)) { dev_info(&pdev->dev, "Using MSI\n"); - pci_intx(pdev, 0); + pcim_intx(pdev, 0); } pci_set_master(pdev); @@ -1350,7 +1324,7 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) &sil24_sht); } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int sil24_pci_device_resume(struct pci_dev *pdev) { struct ata_host *host = pci_get_drvdata(pdev); @@ -1370,7 +1344,9 @@ static int sil24_pci_device_resume(struct pci_dev *pdev) return 0; } +#endif +#ifdef CONFIG_PM static int sil24_port_resume(struct ata_port *ap) { sil24_config_pmp(ap, ap->nr_pmp_links); |
