From: Mac Lin <mkl0301@xxxxxxxxx>
Due to build system limitations, intermediate and final objects can't have the
same names. And as we're going to start building SoC-specific objects, rename
ahci_platform to ahci_pltfm to be linked with SoC-specific objects into
ahci_platform.
Signed-off-by: Mac Lin <mkl0301@xxxxxxxxx>
---
drivers/ata/Makefile | 4 +-
drivers/ata/ahci_platform.c | 197 -------------------------------------------
drivers/ata/ahci_pltfm.c | 197 +++++++++++++++++++++++++++++++++++++++++++
3 files changed, 200 insertions(+), 198 deletions(-)
delete mode 100644 drivers/ata/ahci_platform.c
create mode 100644 drivers/ata/ahci_pltfm.c
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 2b67c90..5b62be8 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -3,7 +3,6 @@ obj-$(CONFIG_ATA) += libata.o
# non-SFF interface
obj-$(CONFIG_SATA_AHCI) += ahci.o libahci.o
-obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o
obj-$(CONFIG_SATA_FSL) += sata_fsl.o
obj-$(CONFIG_SATA_INIC162X) += sata_inic162x.o
obj-$(CONFIG_SATA_SIL24) += sata_sil24.o
@@ -99,6 +98,9 @@ obj-$(CONFIG_ATA_GENERIC) += ata_generic.o
# Should be last libata driver
obj-$(CONFIG_PATA_LEGACY) += pata_legacy.o
+obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o
+ahci_platform-y := ahci_pltfm.o
+
libata-y := libata-core.o libata-scsi.o libata-eh.o libata-transport.o
libata-$(CONFIG_ATA_SFF) += libata-sff.o
libata-$(CONFIG_SATA_PMP) += libata-pmp.o
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
deleted file mode 100644
index 6fef1fa..0000000
--- a/drivers/ata/ahci_platform.c
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * AHCI SATA platform driver
- *
- * Copyright 2004-2005 Red Hat, Inc.
- * Jeff Garzik <jgarzik@xxxxxxxxx>
- * Copyright 2010 MontaVista Software, LLC.
- * Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/gfp.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/libata.h>
-#include <linux/ahci_platform.h>
-#include "ahci.h"
-
-static struct scsi_host_template ahci_platform_sht = {
- AHCI_SHT("ahci_platform"),
-};
-
-static int __init ahci_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct ahci_platform_data *pdata = dev->platform_data;
- struct ata_port_info pi = {
- .flags = AHCI_FLAG_COMMON,
- .pio_mask = ATA_PIO4,
- .udma_mask = ATA_UDMA6,
- .port_ops = &ahci_ops,
- };
- const struct ata_port_info *ppi[] = { &pi, NULL };
- struct ahci_host_priv *hpriv;
- struct ata_host *host;
- struct resource *mem;
- int irq;
- int n_ports;
- int i;
- int rc;
-
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem) {
- dev_err(dev, "no mmio space\n");
- return -EINVAL;
- }
-
- irq = platform_get_irq(pdev, 0);
- if (irq <= 0) {
- dev_err(dev, "no irq\n");
- return -EINVAL;
- }
-
- if (pdata && pdata->ata_port_info)
- pi = *pdata->ata_port_info;
-
- hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
- if (!hpriv) {
- dev_err(dev, "can't alloc ahci_host_priv\n");
- return -ENOMEM;
- }
-
- hpriv->flags |= (unsigned long)pi.private_data;
-
- hpriv->mmio = devm_ioremap(dev, mem->start, resource_size(mem));
- if (!hpriv->mmio) {
- dev_err(dev, "can't map %pR\n", mem);
- return -ENOMEM;
- }
-
- /*
- * Some platforms might need to prepare for mmio region access,
- * which could be done in the following init call. So, the mmio
- * region shouldn't be accessed before init (if provided) has
- * returned successfully.
- */
- if (pdata && pdata->init) {
- rc = pdata->init(dev, hpriv->mmio);
- if (rc)
- return rc;
- }
-
- ahci_save_initial_config(dev, hpriv,
- pdata ? pdata->force_port_map : 0,
- pdata ? pdata->mask_port_map : 0);
-
- /* prepare host */
- if (hpriv->cap & HOST_CAP_NCQ)
- pi.flags |= ATA_FLAG_NCQ;
-
- if (hpriv->cap & HOST_CAP_PMP)
- pi.flags |= ATA_FLAG_PMP;
-
- ahci_set_em_messages(hpriv, &pi);
-
- /* CAP.NP sometimes indicate the index of the last enabled
- * port, at other times, that of the last possible port, so
- * determining the maximum port number requires looking at
- * both CAP.NP and port_map.
- */
- n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
-
- host = ata_host_alloc_pinfo(dev, ppi, n_ports);
- if (!host) {
- rc = -ENOMEM;
- goto err0;
- }
-
- host->private_data = hpriv;
-
- if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
- host->flags |= ATA_HOST_PARALLEL_SCAN;
- else
- printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n");
-
- if (pi.flags & ATA_FLAG_EM)
- ahci_reset_em(host);
-
- for (i = 0; i < host->n_ports; i++) {
- struct ata_port *ap = host->ports[i];
-
- ata_port_desc(ap, "mmio %pR", mem);
- ata_port_desc(ap, "port 0x%x", 0x100 + ap->port_no * 0x80);
-
- /* set enclosure management message type */
- if (ap->flags & ATA_FLAG_EM)
- ap->em_message_type = hpriv->em_msg_type;
-
- /* disabled/not-implemented port */
- if (!(hpriv->port_map & (1 << i)))
- ap->ops = &ata_dummy_port_ops;
- }
-
- rc = ahci_reset_controller(host);
- if (rc)
- goto err0;
-
- ahci_init_controller(host);
- ahci_print_info(host, "platform");
-
- rc = ata_host_activate(host, irq, ahci_interrupt, IRQF_SHARED,
- &ahci_platform_sht);
- if (rc)
- goto err0;
-
- return 0;
-err0:
- if (pdata && pdata->exit)
- pdata->exit(dev);
- return rc;
-}
-
-static int __devexit ahci_remove(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct ahci_platform_data *pdata = dev->platform_data;
- struct ata_host *host = dev_get_drvdata(dev);
-
- ata_host_detach(host);
-
- if (pdata && pdata->exit)
- pdata->exit(dev);
-
- return 0;
-}
-
-static struct platform_driver ahci_driver = {
- .remove = __devexit_p(ahci_remove),
- .driver = {
- .name = "ahci",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init ahci_init(void)
-{
- return platform_driver_probe(&ahci_driver, ahci_probe);
-}
-module_init(ahci_init);
-
-static void __exit ahci_exit(void)
-{
- platform_driver_unregister(&ahci_driver);
-}
-module_exit(ahci_exit);
-
-MODULE_DESCRIPTION("AHCI SATA platform driver");
-MODULE_AUTHOR("Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:ahci");
diff --git a/drivers/ata/ahci_pltfm.c b/drivers/ata/ahci_pltfm.c
new file mode 100644
index 0000000..6fef1fa
--- /dev/null
+++ b/drivers/ata/ahci_pltfm.c
@@ -0,0 +1,197 @@
+/*
+ * AHCI SATA platform driver
+ *
+ * Copyright 2004-2005 Red Hat, Inc.
+ * Jeff Garzik <jgarzik@xxxxxxxxx>
+ * Copyright 2010 MontaVista Software, LLC.
+ * Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/gfp.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/libata.h>
+#include <linux/ahci_platform.h>
+#include "ahci.h"
+
+static struct scsi_host_template ahci_platform_sht = {
+ AHCI_SHT("ahci_platform"),
+};
+
+static int __init ahci_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct ahci_platform_data *pdata = dev->platform_data;
+ struct ata_port_info pi = {
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_ops,
+ };
+ const struct ata_port_info *ppi[] = { &pi, NULL };
+ struct ahci_host_priv *hpriv;
+ struct ata_host *host;
+ struct resource *mem;
+ int irq;
+ int n_ports;
+ int i;
+ int rc;
+
+ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!mem) {
+ dev_err(dev, "no mmio space\n");
+ return -EINVAL;
+ }
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq <= 0) {
+ dev_err(dev, "no irq\n");
+ return -EINVAL;
+ }
+
+ if (pdata && pdata->ata_port_info)
+ pi = *pdata->ata_port_info;
+
+ hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
+ if (!hpriv) {
+ dev_err(dev, "can't alloc ahci_host_priv\n");
+ return -ENOMEM;
+ }
+
+ hpriv->flags |= (unsigned long)pi.private_data;
+
+ hpriv->mmio = devm_ioremap(dev, mem->start, resource_size(mem));
+ if (!hpriv->mmio) {
+ dev_err(dev, "can't map %pR\n", mem);
+ return -ENOMEM;
+ }
+
+ /*
+ * Some platforms might need to prepare for mmio region access,
+ * which could be done in the following init call. So, the mmio
+ * region shouldn't be accessed before init (if provided) has
+ * returned successfully.
+ */
+ if (pdata && pdata->init) {
+ rc = pdata->init(dev, hpriv->mmio);
+ if (rc)
+ return rc;
+ }
+
+ ahci_save_initial_config(dev, hpriv,
+ pdata ? pdata->force_port_map : 0,
+ pdata ? pdata->mask_port_map : 0);
+
+ /* prepare host */
+ if (hpriv->cap & HOST_CAP_NCQ)
+ pi.flags |= ATA_FLAG_NCQ;
+
+ if (hpriv->cap & HOST_CAP_PMP)
+ pi.flags |= ATA_FLAG_PMP;
+
+ ahci_set_em_messages(hpriv, &pi);
+
+ /* CAP.NP sometimes indicate the index of the last enabled
+ * port, at other times, that of the last possible port, so
+ * determining the maximum port number requires looking at
+ * both CAP.NP and port_map.
+ */
+ n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
+
+ host = ata_host_alloc_pinfo(dev, ppi, n_ports);
+ if (!host) {
+ rc = -ENOMEM;
+ goto err0;
+ }
+
+ host->private_data = hpriv;
+
+ if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
+ host->flags |= ATA_HOST_PARALLEL_SCAN;
+ else
+ printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n");
+
+ if (pi.flags & ATA_FLAG_EM)
+ ahci_reset_em(host);
+
+ for (i = 0; i < host->n_ports; i++) {
+ struct ata_port *ap = host->ports[i];
+
+ ata_port_desc(ap, "mmio %pR", mem);
+ ata_port_desc(ap, "port 0x%x", 0x100 + ap->port_no * 0x80);
+
+ /* set enclosure management message type */
+ if (ap->flags & ATA_FLAG_EM)
+ ap->em_message_type = hpriv->em_msg_type;
+
+ /* disabled/not-implemented port */
+ if (!(hpriv->port_map & (1 << i)))
+ ap->ops = &ata_dummy_port_ops;
+ }
+
+ rc = ahci_reset_controller(host);
+ if (rc)
+ goto err0;
+
+ ahci_init_controller(host);
+ ahci_print_info(host, "platform");
+
+ rc = ata_host_activate(host, irq, ahci_interrupt, IRQF_SHARED,
+ &ahci_platform_sht);
+ if (rc)
+ goto err0;
+
+ return 0;
+err0:
+ if (pdata && pdata->exit)
+ pdata->exit(dev);
+ return rc;
+}
+
+static int __devexit ahci_remove(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct ahci_platform_data *pdata = dev->platform_data;
+ struct ata_host *host = dev_get_drvdata(dev);
+
+ ata_host_detach(host);
+
+ if (pdata && pdata->exit)
+ pdata->exit(dev);
+
+ return 0;
+}
+
+static struct platform_driver ahci_driver = {
+ .remove = __devexit_p(ahci_remove),
+ .driver = {
+ .name = "ahci",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init ahci_init(void)
+{
+ return platform_driver_probe(&ahci_driver, ahci_probe);
+}
+module_init(ahci_init);
+
+static void __exit ahci_exit(void)
+{
+ platform_driver_unregister(&ahci_driver);
+}
+module_exit(ahci_exit);
+
+MODULE_DESCRIPTION("AHCI SATA platform driver");
+MODULE_AUTHOR("Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ahci");
--
1.7.3
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