mISDN: hfcmulti: use __iomem address space modifier

Impact: make use of the __iomem address space modifier, and change u_char *,
u_short * and u_int * to void *

Fix more than 30 sparse warnings of this or similar type:

  drivers/isdn/hardware/mISDN/hfcmulti.c:261:31: warning: incorrect type in argument 2 (different address spaces)
  drivers/isdn/hardware/mISDN/hfcmulti.c:261:31:    got unsigned char [usertype] *
  drivers/isdn/hardware/mISDN/hfcmulti.c:261:31:    expected void volatile [noderef] <asn:2>*addr

Signed-off-by: Hannes Eder <hannes@hanneseder.net>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 25 insertions, 23 deletions

diff --git a/drivers/isdn/hardware/mISDN/hfc_multi.h b/drivers/isdn/hardware/mISDN/hfc_multi.h
index a33d87afc843..7bbf7300593d 100644
--- a/drivers/isdn/hardware/mISDN/hfc_multi.h
+++ b/drivers/isdn/hardware/mISDN/hfc_multi.h
@@ -162,8 +162,8 @@ struct hfc_multi {
         void            (*write_fifo)(struct hfc_multi *hc, u_char *data,
                                 int len);
         u_long          pci_origmembase, plx_origmembase, dsp_origmembase;
-        u_char          *pci_membase; /* PCI memory (MUST BE BYTE POINTER) */
-        u_char          *plx_membase; /* PLX memory */
+        void __iomem    *pci_membase; /* PCI memory */
+        void __iomem    *plx_membase; /* PLX memory */
         u_char          *dsp_membase; /* DSP on PLX */
         u_long          pci_iobase; /* PCI IO */
         struct hfcm_hw  hw;     /* remember data of write-only-registers */
diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index 0668072320dd..c63e2f49da8a 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -889,7 +889,8 @@ static inline void
 hfcmulti_resync(struct hfc_multi *locked, struct hfc_multi *newmaster, int rm)
 {
         struct hfc_multi *hc, *next, *pcmmaster = NULL;
-        u_int *plx_acc_32, pv;
+        void __iomem *plx_acc_32;
+        u_int pv;
         u_long flags;
 
         spin_lock_irqsave(&HFClock, flags);
@@ -917,7 +918,7 @@ hfcmulti_resync(struct hfc_multi *locked, struct hfc_multi *newmaster, int rm)
         /* Disable sync of all cards */
         list_for_each_entry_safe(hc, next, &HFClist, list) {
                 if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
-                        plx_acc_32 = (u_int *)(hc->plx_membase+PLX_GPIOC);
+                        plx_acc_32 = hc->plx_membase + PLX_GPIOC;
                         pv = readl(plx_acc_32);
                         pv &= ~PLX_SYNC_O_EN;
                         writel(pv, plx_acc_32);
@@ -939,7 +940,7 @@ hfcmulti_resync(struct hfc_multi *locked, struct hfc_multi *newmaster, int rm)
                         printk(KERN_DEBUG "id=%d (0x%p) = syncronized with "
                                 "interface.\n", hc->id, hc);
                 /* Enable new sync master */
-                plx_acc_32 = (u_int *)(hc->plx_membase+PLX_GPIOC);
+                plx_acc_32 = hc->plx_membase + PLX_GPIOC;
                 pv = readl(plx_acc_32);
                 pv |= PLX_SYNC_O_EN;
                 writel(pv, plx_acc_32);
@@ -969,7 +970,7 @@ hfcmulti_resync(struct hfc_multi *locked, struct hfc_multi *newmaster, int rm)
                                             "QUARTZ is automatically "
                                             "enabled by HFC-%dS\n", hc->type);
                         }
-                        plx_acc_32 = (u_int *)(hc->plx_membase+PLX_GPIOC);
+                        plx_acc_32 = hc->plx_membase + PLX_GPIOC;
                         pv = readl(plx_acc_32);
                         pv |= PLX_SYNC_O_EN;
                         writel(pv, plx_acc_32);
@@ -1014,7 +1015,8 @@ plxsd_checksync(struct hfc_multi *hc, int rm)
 static void
 release_io_hfcmulti(struct hfc_multi *hc)
 {
-        u_int   *plx_acc_32, pv;
+        void __iomem *plx_acc_32;
+        u_int   pv;
         u_long  plx_flags;
 
         if (debug & DEBUG_HFCMULTI_INIT)
@@ -1034,7 +1036,7 @@ release_io_hfcmulti(struct hfc_multi *hc)
                         printk(KERN_DEBUG "%s: release PLXSD card %d\n",
                             __func__, hc->id + 1);
                 spin_lock_irqsave(&plx_lock, plx_flags);
-                plx_acc_32 = (u_int *)(hc->plx_membase+PLX_GPIOC);
+                plx_acc_32 = hc->plx_membase + PLX_GPIOC;
                 writel(PLX_GPIOC_INIT, plx_acc_32);
                 pv = readl(plx_acc_32);
                 /* Termination off */
@@ -1056,9 +1058,9 @@ release_io_hfcmulti(struct hfc_multi *hc)
         test_and_clear_bit(HFC_CHIP_PLXSD, &hc->chip); /* prevent resync */
         pci_write_config_word(hc->pci_dev, PCI_COMMAND, 0);
         if (hc->pci_membase)
-                iounmap((void *)hc->pci_membase);
+                iounmap(hc->pci_membase);
         if (hc->plx_membase)
-                iounmap((void *)hc->plx_membase);
+                iounmap(hc->plx_membase);
         if (hc->pci_iobase)
                 release_region(hc->pci_iobase, 8);
 
@@ -1081,7 +1083,8 @@ init_chip(struct hfc_multi *hc)
         u_long                  flags, val, val2 = 0, rev;
         int                     i, err = 0;
         u_char                  r_conf_en, rval;
-        u_int                   *plx_acc_32, pv;
+        void __iomem            *plx_acc_32;
+        u_int                   pv;
         u_long                  plx_flags, hfc_flags;
         int                     plx_count;
         struct hfc_multi        *pos, *next, *plx_last_hc;
@@ -1155,7 +1158,7 @@ init_chip(struct hfc_multi *hc)
                         printk(KERN_DEBUG "%s: initializing PLXSD card %d\n",
                             __func__, hc->id + 1);
                 spin_lock_irqsave(&plx_lock, plx_flags);
-                plx_acc_32 = (u_int *)(hc->plx_membase+PLX_GPIOC);
+                plx_acc_32 = hc->plx_membase + PLX_GPIOC;
                 writel(PLX_GPIOC_INIT, plx_acc_32);
                 pv = readl(plx_acc_32);
                 /* The first and the last cards are terminating the PCM bus */
@@ -1191,8 +1194,7 @@ init_chip(struct hfc_multi *hc)
                                         "we disable termination\n",
                                     __func__, plx_last_hc->id + 1);
                         spin_lock_irqsave(&plx_lock, plx_flags);
-                        plx_acc_32 = (u_int *)(plx_last_hc->plx_membase
-                                        + PLX_GPIOC);
+                        plx_acc_32 = plx_last_hc->plx_membase + PLX_GPIOC;
                         pv = readl(plx_acc_32);
                         pv &= ~PLX_TERM_ON;
                         writel(pv, plx_acc_32);
@@ -1241,7 +1243,7 @@ init_chip(struct hfc_multi *hc)
         /* Speech Design PLX bridge pcm and sync mode */
         if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
                 spin_lock_irqsave(&plx_lock, plx_flags);
-                plx_acc_32 = (u_int *)(hc->plx_membase+PLX_GPIOC);
+                plx_acc_32 = hc->plx_membase + PLX_GPIOC;
                 pv = readl(plx_acc_32);
                 /* Connect PCM */
                 if (hc->hw.r_pcm_md0 & V_PCM_MD) {
@@ -1353,8 +1355,7 @@ controller_fail:
                         /* retry with master clock */
                         if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
                                 spin_lock_irqsave(&plx_lock, plx_flags);
-                                plx_acc_32 = (u_int *)(hc->plx_membase +
-                                        PLX_GPIOC);
+                                plx_acc_32 = hc->plx_membase + PLX_GPIOC;
                                 pv = readl(plx_acc_32);
                                 pv |= PLX_MASTER_EN | PLX_SLAVE_EN_N;
                                 pv |= PLX_SYNC_O_EN;
@@ -1390,7 +1391,7 @@ controller_fail:
                 if (test_bit(HFC_CHIP_PCM_MASTER, &hc->chip))
                         plxsd_master = 1;
                 spin_lock_irqsave(&plx_lock, plx_flags);
-                plx_acc_32 = (u_int *)(hc->plx_membase+PLX_GPIOC);
+                plx_acc_32 = hc->plx_membase + PLX_GPIOC;
                 pv = readl(plx_acc_32);
                 pv |=  PLX_DSP_RES_N;
                 writel(pv, plx_acc_32);
@@ -2587,7 +2588,8 @@ hfcmulti_interrupt(int intno, void *dev_id)
         struct dchannel         *dch;
         u_char                  r_irq_statech, status, r_irq_misc, r_irq_oview;
         int                     i;
-        u_short                 *plx_acc, wval;
+        void __iomem            *plx_acc;
+        u_short                 wval;
         u_char                  e1_syncsta, temp;
         u_long                  flags;
 
@@ -2607,7 +2609,7 @@ hfcmulti_interrupt(int intno, void *dev_id)
 
         if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
                 spin_lock_irqsave(&plx_lock, flags);
-                plx_acc = (u_short *)(hc->plx_membase + PLX_INTCSR);
+                plx_acc = hc->plx_membase + PLX_INTCSR;
                 wval = readw(plx_acc);
                 spin_unlock_irqrestore(&plx_lock, flags);
                 if (!(wval & PLX_INTCSR_LINTI1_STATUS))
@@ -4092,7 +4094,7 @@ init_card(struct hfc_multi *hc)
 {
         int     err = -EIO;
         u_long  flags;
-        u_short *plx_acc;
+        void    __iomem *plx_acc;
         u_long  plx_flags;
 
         if (debug & DEBUG_HFCMULTI_INIT)
@@ -4114,7 +4116,7 @@ init_card(struct hfc_multi *hc)
 
         if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
                 spin_lock_irqsave(&plx_lock, plx_flags);
-                plx_acc = (u_short *)(hc->plx_membase+PLX_INTCSR);
+                plx_acc = hc->plx_membase + PLX_INTCSR;
                 writew((PLX_INTCSR_PCIINT_ENABLE | PLX_INTCSR_LINTI1_ENABLE),
                         plx_acc); /* enable PCI & LINT1 irq */
                 spin_unlock_irqrestore(&plx_lock, plx_flags);
@@ -4163,7 +4165,7 @@ init_card(struct hfc_multi *hc)
 error:
         if (test_bit(HFC_CHIP_PLXSD, &hc->chip)) {
                 spin_lock_irqsave(&plx_lock, plx_flags);
-                plx_acc = (u_short *)(hc->plx_membase+PLX_INTCSR);
+                plx_acc = hc->plx_membase + PLX_INTCSR;
                 writew(0x00, plx_acc); /*disable IRQs*/
                 spin_unlock_irqrestore(&plx_lock, plx_flags);
         }