[ARM] ecard: Convert card type enum to a flag

'type' in the struct expansion_card is only used to indicate
whether this card is an EASI card or not.  Therefore, having
it as an enum is wasteful (and introduces additional noise
when we come to remove the enum.)  Convert it to a mere flag
instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index 85f4db6..bdbd7da 100644 (file)
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -126,7 +126,7 @@ static void ecard_task_reset(struct ecard_request *req)
 
        res = ec->slot_no == 8
                ? &ec->resource[ECARD_RES_MEMC]
-               : ec->type == ECARD_EASI
+               : ec->easi
                  ? &ec->resource[ECARD_RES_EASI]
                  : &ec->resource[ECARD_RES_IOCSYNC];
 
@@ -181,7 +181,7 @@ static void ecard_task_readbytes(struct ecard_request *req)
                        index += 1;
                }
        } else {
-               unsigned long base = (ec->type == ECARD_EASI
+               unsigned long base = (ec->easi
                         ? &ec->resource[ECARD_RES_EASI]
                         : &ec->resource[ECARD_RES_IOCSYNC])->start;
                void __iomem *pbase = (void __iomem *)base;
@@ -728,7 +728,7 @@ static int ecard_prints(char *buffer, ecard_t *ec)
        char *start = buffer;
 
        buffer += sprintf(buffer, "  %d: %s ", ec->slot_no,
-                         ec->type == ECARD_EASI ? "EASI" : "    ");
+                         ec->easi ? "EASI" : "    ");
 
        if (ec->cid.id == 0) {
                struct in_chunk_dir incd;
@@ -815,7 +815,7 @@ static struct expansion_card *__init ecard_alloc_card(int type, int slot)
        }
 
        ec->slot_no = slot;
-       ec->type = type;
+       ec->easi = type == ECARD_EASI;
        ec->irq = NO_IRQ;
        ec->fiq = NO_IRQ;
        ec->dma = NO_DMA;
@@ -909,7 +909,7 @@ static ssize_t ecard_show_device(struct device *dev, struct device_attribute *at
 static ssize_t ecard_show_type(struct device *dev, struct device_attribute *attr, char *buf)
 {
        struct expansion_card *ec = ECARD_DEV(dev);
-       return sprintf(buf, "%s\n", ec->type == ECARD_EASI ? "EASI" : "IOC");
+       return sprintf(buf, "%s\n", ec->easi ? "EASI" : "IOC");
 }
 
 static struct device_attribute ecard_dev_attrs[] = {

diff --git a/include/asm-arm/ecard.h b/include/asm-arm/ecard.h
index bd4b576..3a6d3eb 100644 (file)
--- a/include/asm-arm/ecard.h
+++ b/include/asm-arm/ecard.h
@@ -160,6 +160,7 @@ struct expansion_card {
        unsigned char           irqmask;        /* IRQ mask                     */
        unsigned char           fiqmask;        /* FIQ mask                     */
        unsigned char           claimed;        /* Card claimed?                */
+       unsigned char           easi;           /* EASI card                    */
 
        void                    *irq_data;      /* Data for use for IRQ by card */
        void                    *fiq_data;      /* Data for use for FIQ by card */
@@ -169,7 +170,6 @@ struct expansion_card {
        CONST unsigned int      dma;            /* DMA number (for request_dma) */
        CONST unsigned int      irq;            /* IRQ number (for request_irq) */
        CONST unsigned int      fiq;            /* FIQ number (for request_irq) */
-       CONST card_type_t       type;           /* Type of card                 */
        CONST struct in_ecid    cid;            /* Card Identification          */
 
        /* Private internal data */