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path: root/drivers/iommu/fsl_pamu.c
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Diffstat (limited to 'drivers/iommu/fsl_pamu.c')
-rw-r--r--drivers/iommu/fsl_pamu.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/iommu/fsl_pamu.c b/drivers/iommu/fsl_pamu.c
index fc38b1fba7cf..f37d3b044131 100644
--- a/drivers/iommu/fsl_pamu.c
+++ b/drivers/iommu/fsl_pamu.c
@@ -11,6 +11,9 @@
#include <linux/fsl/guts.h>
#include <linux/interrupt.h>
#include <linux/genalloc.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/platform_device.h>
#include <asm/mpc85xx.h>
@@ -175,7 +178,7 @@ int pamu_update_paace_stash(int liodn, u32 value)
}
/**
- * pamu_config_paace() - Sets up PPAACE entry for specified liodn
+ * pamu_config_ppaace() - Sets up PPAACE entry for specified liodn
*
* @liodn: Logical IO device number
* @omi: Operation mapping index -- if ~omi == 0 then omi not defined
@@ -208,7 +211,7 @@ int pamu_config_ppaace(int liodn, u32 omi, u32 stashid, int prot)
ppaace->op_encode.index_ot.omi = omi;
} else if (~omi != 0) {
pr_debug("bad operation mapping index: %d\n", omi);
- return -EINVAL;
+ return -ENODEV;
}
/* configure stash id */
@@ -229,7 +232,8 @@ int pamu_config_ppaace(int liodn, u32 omi, u32 stashid, int prot)
/**
* get_ome_index() - Returns the index in the operation mapping table
* for device.
- * @*omi_index: pointer for storing the index value
+ * @omi_index: pointer for storing the index value
+ * @dev: target device
*
*/
void get_ome_index(u32 *omi_index, struct device *dev)
@@ -325,7 +329,7 @@ found_cpu_node:
#define QMAN_PORTAL_PAACE 2
#define BMAN_PAACE 3
-/**
+/*
* Setup operation mapping and stash destinations for QMAN and QMAN portal.
* Memory accesses to QMAN and BMAN private memory need not be coherent, so
* clear the PAACE entry coherency attribute for them.
@@ -354,7 +358,7 @@ static void setup_qbman_paace(struct paace *ppaace, int paace_type)
}
}
-/**
+/*
* Setup the operation mapping table for various devices. This is a static
* table where each table index corresponds to a particular device. PAMU uses
* this table to translate device transaction to appropriate corenet
@@ -776,7 +780,7 @@ static int fsl_pamu_probe(struct platform_device *pdev)
of_get_address(dev->of_node, 0, &size, NULL);
irq = irq_of_parse_and_map(dev->of_node, 0);
- if (irq == NO_IRQ) {
+ if (!irq) {
dev_warn(dev, "no interrupts listed in PAMU node\n");
goto error;
}
@@ -865,7 +869,7 @@ static int fsl_pamu_probe(struct platform_device *pdev)
ret = create_csd(ppaact_phys, mem_size, csd_port_id);
if (ret) {
dev_err(dev, "could not create coherence subdomain\n");
- return ret;
+ goto error;
}
}
@@ -900,7 +904,7 @@ static int fsl_pamu_probe(struct platform_device *pdev)
return 0;
error:
- if (irq != NO_IRQ)
+ if (irq)
free_irq(irq, data);
kfree_sensitive(data);