soc_dma: drop soc_dma_port_add_mem_ram()

It's a trivial wrapper for soc_dma_port_add_mem(), which makes
the memory API conversion more difficult because it takes a ram
addr_t.  Drop.
Acked-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NAvi Kivity <avi@redhat.com>

hw/omap1.c

@@ -3848,10 +3848,10 @@ struct omap_mpu_state_s *omap310_mpu_init(MemoryRegion *system_memory,
     s->port[tipb_mpui].addr_valid = omap_validate_tipb_mpui_addr;
 
     /* Register SDRAM and SRAM DMA ports for fast transfers.  */
-    soc_dma_port_add_mem_ram(s->dma,
-                    emiff_base, OMAP_EMIFF_BASE, s->sdram_size);
-    soc_dma_port_add_mem_ram(s->dma,
-                    imif_base, OMAP_IMIF_BASE, s->sram_size);
+    soc_dma_port_add_mem(s->dma, qemu_get_ram_ptr(emiff_base),
+                             OMAP_EMIFF_BASE, s->sdram_size);
+    soc_dma_port_add_mem(s->dma, qemu_get_ram_ptr(imif_base),
+                         OMAP_IMIF_BASE, s->sram_size);
 
     s->timer[0] = omap_mpu_timer_init(system_memory, 0xfffec500,
                     s->irq[0][OMAP_INT_TIMER1],

hw/omap2.c

@@ -2284,8 +2284,10 @@ struct omap_mpu_state_s *omap2420_mpu_init(unsigned long sdram_size,
     s->port->addr_valid = omap2_validate_addr;
 
     /* Register SDRAM and SRAM ports for fast DMA transfers.  */
-    soc_dma_port_add_mem_ram(s->dma, q2_base, OMAP2_Q2_BASE, s->sdram_size);
-    soc_dma_port_add_mem_ram(s->dma, sram_base, OMAP2_SRAM_BASE, s->sram_size);
+    soc_dma_port_add_mem(s->dma, qemu_get_ram_ptr(q2_base),
+                         OMAP2_Q2_BASE, s->sdram_size);
+    soc_dma_port_add_mem(s->dma, qemu_get_ram_ptr(sram_base),
+                         OMAP2_SRAM_BASE, s->sram_size);
 
     s->uart[0] = omap2_uart_init(omap_l4ta(s->l4, 19),
                     s->irq[0][OMAP_INT_24XX_UART1_IRQ],

hw/soc_dma.h

@@ -105,9 +105,3 @@ static inline void soc_dma_port_add_fifo_out(struct soc_dma_s *dma,
 {
     return soc_dma_port_add_fifo(dma, virt_base, fn, opaque, 1);
 }
-
-static inline void soc_dma_port_add_mem_ram(struct soc_dma_s *dma,
-                ram_addr_t offset, target_phys_addr_t virt_base, size_t size)
-{
-    return soc_dma_port_add_mem(dma, qemu_get_ram_ptr(offset), virt_base, size);
-}