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Date: Wed, 23 Apr 2014 20:36:42 +0800
From: Kefeng Wang <kefeng.wang@...aro.org>
To: Tejun Heo <tj@...nel.org>, Hans de Goede <hdegoede@...hat.com>,
Maxime Ripard <maxime.ripard@...e-electrons.com>,
linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: wangkefeng.wang@...wei.com, kefeng.wang@...aro.org
Subject: [PATCH v5 2/3] libahci_platform: add host_flags parameter in ahci_platform_init_host()
Add a dynamic host_flags argument to make ahci_platform_init_host more flexible,
then remove the AHCI_HFLAGS(...) argument from some driver's ata_port_info,
and pass that in as the new argument.
Cc: Hans de Geode <hdegoede@...hat.com>
Signed-off-by: Kefeng Wang <kefeng.wang@...aro.org>
---
drivers/ata/ahci_da850.c | 3 ++-
drivers/ata/ahci_imx.c | 3 ++-
drivers/ata/ahci_platform.c | 2 +-
drivers/ata/ahci_st.c | 2 +-
drivers/ata/ahci_sunxi.c | 9 ++++++---
drivers/ata/ahci_xgene.c | 7 +++++--
drivers/ata/libahci_platform.c | 5 ++++-
include/linux/ahci_platform.h | 1 +
8 files changed, 22 insertions(+), 10 deletions(-)
diff --git a/drivers/ata/ahci_da850.c b/drivers/ata/ahci_da850.c
index 2c83613..2b77d53 100644
--- a/drivers/ata/ahci_da850.c
+++ b/drivers/ata/ahci_da850.c
@@ -85,7 +85,8 @@ static int ahci_da850_probe(struct platform_device *pdev)
da850_sata_init(dev, pwrdn_reg, hpriv->mmio);
- rc = ahci_platform_init_host(pdev, hpriv, &ahci_da850_port_info, 0, 0);
+ rc = ahci_platform_init_host(pdev, hpriv, &ahci_da850_port_info,
+ 0, 0, 0);
if (rc)
goto disable_resources;
diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c
index 497c7ab..e7e44a7 100644
--- a/drivers/ata/ahci_imx.c
+++ b/drivers/ata/ahci_imx.c
@@ -267,7 +267,8 @@ static int imx_ahci_probe(struct platform_device *pdev)
reg_val = clk_get_rate(imxpriv->ahb_clk) / 1000;
writel(reg_val, hpriv->mmio + HOST_TIMER1MS);
- ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info, 0, 0);
+ ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info,
+ 0, 0, 0);
if (ret)
imx_sata_disable(hpriv);
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index ef67e79..a476a1f 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -55,7 +55,7 @@ static int ahci_probe(struct platform_device *pdev)
goto disable_resources;
}
- rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, 0, 0);
+ rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, 0, 0, 0);
if (rc)
goto pdata_exit;
diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c
index 6332222..2595598 100644
--- a/drivers/ata/ahci_st.c
+++ b/drivers/ata/ahci_st.c
@@ -166,7 +166,7 @@ static int st_ahci_probe(struct platform_device *pdev)
if (err)
return err;
- err = ahci_platform_init_host(pdev, hpriv, &st_ahci_port_info, 0, 0);
+ err = ahci_platform_init_host(pdev, hpriv, &st_ahci_port_info, 0, 0, 0);
if (err) {
ahci_platform_disable_resources(hpriv);
return err;
diff --git a/drivers/ata/ahci_sunxi.c b/drivers/ata/ahci_sunxi.c
index 42d3f64..543132a 100644
--- a/drivers/ata/ahci_sunxi.c
+++ b/drivers/ata/ahci_sunxi.c
@@ -157,8 +157,6 @@ static void ahci_sunxi_start_engine(struct ata_port *ap)
}
static const struct ata_port_info ahci_sunxi_port_info = {
- AHCI_HFLAGS(AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI |
- AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ),
.flags = AHCI_FLAG_COMMON | ATA_FLAG_NCQ,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
@@ -169,6 +167,7 @@ static int ahci_sunxi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ahci_host_priv *hpriv;
+ unsigned int hflags;
int rc;
hpriv = ahci_platform_get_resources(pdev);
@@ -185,7 +184,11 @@ static int ahci_sunxi_probe(struct platform_device *pdev)
if (rc)
goto disable_resources;
- rc = ahci_platform_init_host(pdev, hpriv, &ahci_sunxi_port_info, 0, 0);
+ hflags = AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI |
+ AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ,
+
+ rc = ahci_platform_init_host(pdev, hpriv, &ahci_sunxi_port_info,
+ hflags, 0, 0);
if (rc)
goto disable_resources;
diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c
index 77c89bf..020db96 100644
--- a/drivers/ata/ahci_xgene.c
+++ b/drivers/ata/ahci_xgene.c
@@ -303,7 +303,6 @@ static struct ata_port_operations xgene_ahci_ops = {
};
static const struct ata_port_info xgene_ahci_port_info = {
- AHCI_HFLAGS(AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ),
.flags = AHCI_FLAG_COMMON | ATA_FLAG_NCQ,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
@@ -382,6 +381,7 @@ static int xgene_ahci_probe(struct platform_device *pdev)
struct ahci_host_priv *hpriv;
struct xgene_ahci_context *ctx;
struct resource *res;
+ unsigned int hflags;
int rc;
hpriv = ahci_platform_get_resources(pdev);
@@ -450,7 +450,10 @@ static int xgene_ahci_probe(struct platform_device *pdev)
goto disable_resources;
}
- rc = ahci_platform_init_host(pdev, hpriv, &xgene_ahci_port_info, 0, 0);
+ hflags = AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ,
+
+ rc = ahci_platform_init_host(pdev, hpriv, &xgene_ahci_port_info,
+ hflags, 0, 0);
if (rc)
goto disable_resources;
diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
index 7cb3a85..d00fd52 100644
--- a/drivers/ata/libahci_platform.c
+++ b/drivers/ata/libahci_platform.c
@@ -283,6 +283,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_get_resources);
* @pdev: platform device pointer for the host
* @hpriv: ahci-host private data for the host
* @pi_template: template for the ata_port_info to use
+ * @host_flags: ahci host flags used in ahci_host_priv
* @force_port_map: param passed to ahci_save_initial_config
* @mask_port_map: param passed to ahci_save_initial_config
*
@@ -296,6 +297,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_get_resources);
int ahci_platform_init_host(struct platform_device *pdev,
struct ahci_host_priv *hpriv,
const struct ata_port_info *pi_template,
+ unsigned int host_flags,
unsigned int force_port_map,
unsigned int mask_port_map)
{
@@ -312,7 +314,8 @@ int ahci_platform_init_host(struct platform_device *pdev,
}
/* prepare host */
- hpriv->flags |= (unsigned long)pi.private_data;
+ pi.private_data = (void *)host_flags
+ hpriv->flags |= host_flags;
ahci_save_initial_config(dev, hpriv, force_port_map, mask_port_map);
diff --git a/include/linux/ahci_platform.h b/include/linux/ahci_platform.h
index 1f16d50..45897f6 100644
--- a/include/linux/ahci_platform.h
+++ b/include/linux/ahci_platform.h
@@ -44,6 +44,7 @@ struct ahci_host_priv *ahci_platform_get_resources(
int ahci_platform_init_host(struct platform_device *pdev,
struct ahci_host_priv *hpriv,
const struct ata_port_info *pi_template,
+ unsigned int host_flags,
unsigned int force_port_map,
unsigned int mask_port_map);
--
1.7.9.5
--
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