OMAP: iovmm: fix SW flags passed by user

Commit d038aee24dcd5a2a0d8547f5396f67ae9698ac8e
"omap: iovmm: don't check 'da' to set IOVMF_DA_FIXED flag",
changes iovmm to receive flags specified by user, however
the upper 16 bits of the flags are wiped by iovmm itself.

This fixes IOVMF_DA_FIXED flags from being lost, and lets the user
map its desired "device addresses".

Signed-off-by: Omar Ramirez Luna <omar.ramirez@ti.com>
Acked-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/plat-omap/include/plat/iovmm.h b/arch/arm/plat-omap/include/plat/iovmm.h
index 32a2f6c..e992b96 100644 (file)
--- a/arch/arm/plat-omap/include/plat/iovmm.h
+++ b/arch/arm/plat-omap/include/plat/iovmm.h
@@ -29,9 +29,6 @@ struct iovm_struct {
  * lower 16 bit is used for h/w and upper 16 bit is for s/w.
  */
 #define IOVMF_SW_SHIFT         16
-#define IOVMF_HW_SIZE          (1 << IOVMF_SW_SHIFT)
-#define IOVMF_HW_MASK          (IOVMF_HW_SIZE - 1)
-#define IOVMF_SW_MASK          (~IOVMF_HW_MASK)UL
 
 /*
  * iovma: h/w flags derived from cam and ram attribute

diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index 51ef43e..83a37c5 100644 (file)
--- a/arch/arm/plat-omap/iovmm.c
+++ b/arch/arm/plat-omap/iovmm.c
@@ -648,7 +648,6 @@ u32 iommu_vmap(struct iommu *obj, u32 da, const struct sg_table *sgt,
                        return PTR_ERR(va);
        }
 
-       flags &= IOVMF_HW_MASK;
        flags |= IOVMF_DISCONT;
        flags |= IOVMF_MMIO;
 
@@ -706,7 +705,6 @@ u32 iommu_vmalloc(struct iommu *obj, u32 da, size_t bytes, u32 flags)
        if (!va)
                return -ENOMEM;
 
-       flags &= IOVMF_HW_MASK;
        flags |= IOVMF_DISCONT;
        flags |= IOVMF_ALLOC;
 
@@ -795,7 +793,6 @@ u32 iommu_kmap(struct iommu *obj, u32 da, u32 pa, size_t bytes,
        if (!va)
                return -ENOMEM;
 
-       flags &= IOVMF_HW_MASK;
        flags |= IOVMF_LINEAR;
        flags |= IOVMF_MMIO;
 
@@ -853,7 +850,6 @@ u32 iommu_kmalloc(struct iommu *obj, u32 da, size_t bytes, u32 flags)
                return -ENOMEM;
        pa = virt_to_phys(va);
 
-       flags &= IOVMF_HW_MASK;
        flags |= IOVMF_LINEAR;
        flags |= IOVMF_ALLOC;