[Qemu-devel] [PATCH for-2.9 14/30] aspeed/smc: rework the prototype of the AspeedSMCFlash helper routines

[Cédric Le Goater]

Change the routines prototype to use a 'AspeedSMCFlash *' instead of
'AspeedSMCState *'. The result will help in making future changes
clearer.

Signed-off-by: Cédric Le Goater <c...@kaod.org>
Reviewed-by: Joel Stanley <j...@jms.id.au>
Reviewed-by: Andrew Jeffery <and...@aj.id.au>
---
 hw/ssi/aspeed_smc.c         | 36 ++++++++++++++++++++++++------------
 include/hw/ssi/aspeed_smc.h |  2 +-
 2 files changed, 25 insertions(+), 13 deletions(-)

diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c
index 78f5aed53247..66622f198a2f 100644
--- a/hw/ssi/aspeed_smc.c
+++ b/hw/ssi/aspeed_smc.c
@@ -328,19 +328,30 @@ static const MemoryRegionOps aspeed_smc_flash_default_ops 
= {
     },
 };
 
-static inline int aspeed_smc_flash_mode(const AspeedSMCState *s, int cs)
+static inline int aspeed_smc_flash_mode(const AspeedSMCFlash *fl)
 {
-    return s->regs[s->r_ctrl0 + cs] & CTRL_CMD_MODE_MASK;
+    AspeedSMCState *s = fl->controller;
+
+    return s->regs[s->r_ctrl0 + fl->id] & CTRL_CMD_MODE_MASK;
+}
+
+static inline bool aspeed_smc_is_usermode(const AspeedSMCFlash *fl)
+{
+    return aspeed_smc_flash_mode(fl) == CTRL_USERMODE;
 }
 
-static inline bool aspeed_smc_is_usermode(const AspeedSMCState *s, int cs)
+static inline bool aspeed_smc_is_ce_stop_active(const AspeedSMCFlash *fl)
 {
-    return aspeed_smc_flash_mode(s, cs) == CTRL_USERMODE;
+    AspeedSMCState *s = fl->controller;
+
+    return s->regs[s->r_ctrl0 + fl->id] & CTRL_CE_STOP_ACTIVE;
 }
 
-static inline bool aspeed_smc_is_writable(const AspeedSMCState *s, int cs)
+static inline bool aspeed_smc_is_writable(const AspeedSMCFlash *fl)
 {
-    return s->regs[s->r_conf] & (1 << (s->conf_enable_w0 + cs));
+    AspeedSMCState *s = fl->controller;
+
+    return s->regs[s->r_conf] & (1 << (s->conf_enable_w0 + fl->id));
 }
 
 static uint64_t aspeed_smc_flash_read(void *opaque, hwaddr addr, unsigned size)
@@ -350,7 +361,7 @@ static uint64_t aspeed_smc_flash_read(void *opaque, hwaddr 
addr, unsigned size)
     uint64_t ret = 0;
     int i;
 
-    if (aspeed_smc_is_usermode(s, fl->id)) {
+    if (aspeed_smc_is_usermode(fl)) {
         for (i = 0; i < size; i++) {
             ret |= ssi_transfer(s->spi, 0x0) << (8 * i);
         }
@@ -370,13 +381,13 @@ static void aspeed_smc_flash_write(void *opaque, hwaddr 
addr, uint64_t data,
     const AspeedSMCState *s = fl->controller;
     int i;
 
-    if (!aspeed_smc_is_writable(s, fl->id)) {
+    if (!aspeed_smc_is_writable(fl)) {
         qemu_log_mask(LOG_GUEST_ERROR, "%s: flash is not writable at 0x%"
                       HWADDR_PRIx "\n", __func__, addr);
         return;
     }
 
-    if (!aspeed_smc_is_usermode(s, fl->id)) {
+    if (!aspeed_smc_is_usermode(fl)) {
         qemu_log_mask(LOG_UNIMP, "%s: usermode not implemented\n",
                       __func__);
         return;
@@ -397,9 +408,10 @@ static const MemoryRegionOps aspeed_smc_flash_ops = {
     },
 };
 
-static bool aspeed_smc_is_ce_stop_active(const AspeedSMCState *s, int cs)
+static void aspeed_smc_flash_update_cs(AspeedSMCFlash *fl)
 {
-    return s->regs[s->r_ctrl0 + cs] & CTRL_CE_STOP_ACTIVE;
+    AspeedSMCState *s = fl->controller;
+    qemu_set_irq(s->cs_lines[fl->id], aspeed_smc_is_ce_stop_active(fl));
 }
 
 static void aspeed_smc_update_cs(const AspeedSMCState *s)
@@ -407,7 +419,7 @@ static void aspeed_smc_update_cs(const AspeedSMCState *s)
     int i;
 
     for (i = 0; i < s->num_cs; ++i) {
-        qemu_set_irq(s->cs_lines[i], aspeed_smc_is_ce_stop_active(s, i));
+        aspeed_smc_flash_update_cs(&s->flashes[i]);
     }
 }
 
diff --git a/include/hw/ssi/aspeed_smc.h b/include/hw/ssi/aspeed_smc.h
index bdfbcc0ffa7d..c64954f6103f 100644
--- a/include/hw/ssi/aspeed_smc.h
+++ b/include/hw/ssi/aspeed_smc.h
@@ -47,7 +47,7 @@ typedef struct AspeedSMCController {
 } AspeedSMCController;
 
 typedef struct AspeedSMCFlash {
-    const struct AspeedSMCState *controller;
+    struct AspeedSMCState *controller;
 
     uint8_t id;
     uint32_t size;
-- 
2.7.4