Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

[powerpc.git] / drivers / char / tpm / tpm_atmel.h

diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h
index 3c5b9a8..d3478aa 100644 (file)
--- a/drivers/char/tpm/tpm_atmel.h
+++ b/drivers/char/tpm/tpm_atmel.h
@@ -27,12 +27,14 @@
 #define atmel_putb(val, chip, offset) writeb(val, chip->vendor->iobase + offset)
 #define atmel_request_region request_mem_region
 #define atmel_release_region release_mem_region
-static inline void atmel_put_base_addr(struct tpm_vendor_specific *vendor)
+
+static inline void atmel_put_base_addr(struct tpm_vendor_specific
+                                        *vendor)
 {
        iounmap(vendor->iobase);
 }
 
-static int atmel_get_base_addr(struct tpm_vendor_specific *vendor)
+static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific *vendor)
 {
        struct device_node *dn;
        unsigned long address, size;
@@ -44,11 +46,11 @@ static int atmel_get_base_addr(struct tpm_vendor_specific *vendor)
        dn = of_find_node_by_name(NULL, "tpm");
 
        if (!dn)
-               return 1;
+               return NULL;
 
        if (!device_is_compatible(dn, "AT97SC3201")) {
                of_node_put(dn);
-               return 1;
+               return NULL;
        }
 
        reg = (unsigned int *) get_property(dn, "reg", &reglen);
@@ -71,8 +73,7 @@ static int atmel_get_base_addr(struct tpm_vendor_specific *vendor)
 
        vendor->base = address;
        vendor->region_size = size;
-       vendor->iobase = ioremap(address, size);
-       return 0;
+       return ioremap(vendor->base, vendor->region_size);
 }
 #else
 #define atmel_getb(chip, offset) inb(chip->vendor->base + offset)
@@ -105,18 +106,19 @@ static int atmel_verify_tpm11(void)
        return 0;
 }
 
-static inline void atmel_put_base_addr(struct tpm_vendor_specific *vendor)
+static inline void atmel_put_base_addr(struct tpm_vendor_specific
+                                        *vendor)
 {
 }
 
 /* Determine where to talk to device */
-static unsigned long atmel_get_base_addr(struct tpm_vendor_specific
+static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific
                                         *vendor)
 {
        int lo, hi;
 
        if (atmel_verify_tpm11() != 0)
-               return 1;
+               return NULL;
 
        lo = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_LO);
        hi = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_HI);
@@ -124,6 +126,6 @@ static unsigned long atmel_get_base_addr(struct tpm_vendor_specific
        vendor->base = (hi << 8) | lo;
        vendor->region_size = 2;
 
-       return 0;
+       return ioport_map(vendor->base, vendor->region_size);
 }
 #endif