[PATCH] ppc annotations: mpsc

Usual iomem annotations + NULL noise removal.
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/serial/mpsc.c

@@ -329,8 +329,8 @@ mpsc_sdma_stop(struct mpsc_port_info *pi)
 	mpsc_sdma_cmd(pi, SDMA_SDCM_AR | SDMA_SDCM_AT);
 
 	/* Clear the SDMA current and first TX and RX pointers */
-	mpsc_sdma_set_tx_ring(pi, 0);
-	mpsc_sdma_set_rx_ring(pi, 0);
+	mpsc_sdma_set_tx_ring(pi, NULL);
+	mpsc_sdma_set_rx_ring(pi, NULL);
 
 	/* Disable interrupts */
 	mpsc_sdma_intr_mask(pi, 0xf);
@@ -1540,8 +1540,8 @@ mpsc_shared_unmap_regs(void)
 			MPSC_SDMA_INTR_REG_BLOCK_SIZE);
 	}
 
-	mpsc_shared_regs.mpsc_routing_base = 0;
-	mpsc_shared_regs.sdma_intr_base = 0;
+	mpsc_shared_regs.mpsc_routing_base = NULL;
+	mpsc_shared_regs.sdma_intr_base = NULL;
 
 	mpsc_shared_regs.mpsc_routing_base_p = 0;
 	mpsc_shared_regs.sdma_intr_base_p = 0;
@@ -1678,9 +1678,9 @@ mpsc_drv_unmap_regs(struct mpsc_port_info *pi)
 		release_mem_region(pi->brg_base_p, MPSC_BRG_REG_BLOCK_SIZE);
 	}
 
-	pi->mpsc_base = 0;
-	pi->sdma_base = 0;
-	pi->brg_base = 0;
+	pi->mpsc_base = NULL;
+	pi->sdma_base = NULL;
+	pi->brg_base = NULL;
 
 	pi->mpsc_base_p = 0;
 	pi->sdma_base_p = 0;

drivers/serial/mpsc.h

@@ -83,8 +83,8 @@ struct mpsc_shared_regs {
 	phys_addr_t mpsc_routing_base_p;
 	phys_addr_t sdma_intr_base_p;
 
-	void *mpsc_routing_base;
-	void *sdma_intr_base;
+	void __iomem *mpsc_routing_base;
+	void __iomem *sdma_intr_base;
 
 	u32 MPSC_MRR_m;
 	u32 MPSC_RCRR_m;
@@ -120,9 +120,9 @@ struct mpsc_port_info {
 	phys_addr_t brg_base_p;
 
 	/* Virtual addresses of various blocks of registers (from platform) */
-	void *mpsc_base;
-	void *sdma_base;
-	void *brg_base;
+	void __iomem *mpsc_base;
+	void __iomem *sdma_base;
+	void __iomem *brg_base;
 
 	/* Descriptor ring and buffer allocations */
 	void *dma_region;