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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org, qemu-stable@nongnu.org
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
	"Stephen Checkoway" <stephen.checkoway@oberlin.edu>,
	"Kevin Wolf" <kwolf@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Laszlo Ersek" <lersek@redhat.com>,
	"Alex Bennée" <alex.bennee@linaro.org>,
	"Max Reitz" <mreitz@redhat.com>,
	"Michael S . Tsirkin" <mst@redhat.com>,
	qemu-block@nongnu.org, "Wei Yang" <richardw.yang@linux.intel.com>,
	"Gerd Hoffmann" <kraxel@redhat.com>,
	"Markus Armbruster" <armbru@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>
Subject: [Qemu-devel] [PATCH 4/5] hw/block/pflash_cfi02: Extract the pflash_reset() code
Date: Sun,  5 May 2019 22:06:01 +0200	[thread overview]
Message-ID: <20190505200602.12412-5-philmd@redhat.com> (raw)
In-Reply-To: <20190505200602.12412-1-philmd@redhat.com>

The reset() code is used in various places, refactor it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 hw/block/pflash_cfi02.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
index f2c6201f813..f321b74433c 100644
--- a/hw/block/pflash_cfi02.c
+++ b/hw/block/pflash_cfi02.c
@@ -120,6 +120,17 @@ static void pflash_register_memory(PFlashCFI02 *pfl, int rom_mode)
     pfl->rom_mode = rom_mode;
 }
 
+static void pflash_reset(PFlashCFI02 *pfl)
+{
+    trace_pflash_reset();
+    timer_del(&pfl->timer);
+    pfl->bypass = 0;
+    pfl->wcycle = 0;
+    pfl->cmd = 0;
+    pfl->status = 0;
+    pflash_register_memory(pfl, 1);
+}
+
 static void pflash_timer (void *opaque)
 {
     PFlashCFI02 *pfl = opaque;
@@ -129,11 +140,10 @@ static void pflash_timer (void *opaque)
     pfl->status ^= 0x80;
     if (pfl->bypass) {
         pfl->wcycle = 2;
+        pfl->cmd = 0;
     } else {
-        pflash_register_memory(pfl, 1);
-        pfl->wcycle = 0;
+        pflash_reset(pfl);
     }
-    pfl->cmd = 0;
 }
 
 static uint32_t pflash_read(PFlashCFI02 *pfl, hwaddr offset,
@@ -481,10 +491,7 @@ static void pflash_write(PFlashCFI02 *pfl, hwaddr offset,
 
     /* Reset flash */
  reset_flash:
-    trace_pflash_reset();
-    pfl->bypass = 0;
-    pfl->wcycle = 0;
-    pfl->cmd = 0;
+    pflash_reset(pfl);
     return;
 
  do_bypass:
@@ -588,9 +595,7 @@ static void pflash_cfi02_realize(DeviceState *dev, Error **errp)
     sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->mem);
 
     timer_init_ns(&pfl->timer, QEMU_CLOCK_VIRTUAL, pflash_timer, pfl);
-    pfl->wcycle = 0;
-    pfl->cmd = 0;
-    pfl->status = 0;
+    pflash_reset(pfl);
     /* Hardcoded CFI table (mostly from SG29 Spansion flash) */
     /* Standard "QRY" string */
     pfl->cfi_table[0x10] = 'Q';
-- 
2.20.1

WARNING: multiple messages have this Message-ID (diff)
From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: qemu-devel@nongnu.org, qemu-stable@nongnu.org
Cc: "Kevin Wolf" <kwolf@redhat.com>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	"Stephen Checkoway" <stephen.checkoway@oberlin.edu>,
	qemu-block@nongnu.org, "Michael S . Tsirkin" <mst@redhat.com>,
	"Laszlo Ersek" <lersek@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Markus Armbruster" <armbru@redhat.com>,
	"Max Reitz" <mreitz@redhat.com>,
	"Wei Yang" <richardw.yang@linux.intel.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Alex Bennée" <alex.bennee@linaro.org>,
	"Gerd Hoffmann" <kraxel@redhat.com>
Subject: [Qemu-devel] [PATCH 4/5] hw/block/pflash_cfi02: Extract the pflash_reset() code
Date: Sun,  5 May 2019 22:06:01 +0200	[thread overview]
Message-ID: <20190505200602.12412-5-philmd@redhat.com> (raw)
Message-ID: <20190505200601.2xb52ddCDGqHMrkMiMs76-MbJ40muT6NjvtygEd_s9M@z> (raw)
In-Reply-To: <20190505200602.12412-1-philmd@redhat.com>

The reset() code is used in various places, refactor it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 hw/block/pflash_cfi02.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/hw/block/pflash_cfi02.c b/hw/block/pflash_cfi02.c
index f2c6201f813..f321b74433c 100644
--- a/hw/block/pflash_cfi02.c
+++ b/hw/block/pflash_cfi02.c
@@ -120,6 +120,17 @@ static void pflash_register_memory(PFlashCFI02 *pfl, int rom_mode)
     pfl->rom_mode = rom_mode;
 }
 
+static void pflash_reset(PFlashCFI02 *pfl)
+{
+    trace_pflash_reset();
+    timer_del(&pfl->timer);
+    pfl->bypass = 0;
+    pfl->wcycle = 0;
+    pfl->cmd = 0;
+    pfl->status = 0;
+    pflash_register_memory(pfl, 1);
+}
+
 static void pflash_timer (void *opaque)
 {
     PFlashCFI02 *pfl = opaque;
@@ -129,11 +140,10 @@ static void pflash_timer (void *opaque)
     pfl->status ^= 0x80;
     if (pfl->bypass) {
         pfl->wcycle = 2;
+        pfl->cmd = 0;
     } else {
-        pflash_register_memory(pfl, 1);
-        pfl->wcycle = 0;
+        pflash_reset(pfl);
     }
-    pfl->cmd = 0;
 }
 
 static uint32_t pflash_read(PFlashCFI02 *pfl, hwaddr offset,
@@ -481,10 +491,7 @@ static void pflash_write(PFlashCFI02 *pfl, hwaddr offset,
 
     /* Reset flash */
  reset_flash:
-    trace_pflash_reset();
-    pfl->bypass = 0;
-    pfl->wcycle = 0;
-    pfl->cmd = 0;
+    pflash_reset(pfl);
     return;
 
  do_bypass:
@@ -588,9 +595,7 @@ static void pflash_cfi02_realize(DeviceState *dev, Error **errp)
     sysbus_init_mmio(SYS_BUS_DEVICE(dev), &pfl->mem);
 
     timer_init_ns(&pfl->timer, QEMU_CLOCK_VIRTUAL, pflash_timer, pfl);
-    pfl->wcycle = 0;
-    pfl->cmd = 0;
-    pfl->status = 0;
+    pflash_reset(pfl);
     /* Hardcoded CFI table (mostly from SG29 Spansion flash) */
     /* Standard "QRY" string */
     pfl->cfi_table[0x10] = 'Q';
-- 
2.20.1



  parent reply	other threads:[~2019-05-05 20:07 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-05 20:05 [Qemu-devel] [PATCH 0/5] hw/block/pflash: Add DeviceReset() handlers Philippe Mathieu-Daudé
2019-05-05 20:05 ` Philippe Mathieu-Daudé
2019-05-05 20:05 ` [Qemu-devel] [PATCH 1/5] hw/block/pflash_cfi01: Removed an unused timer Philippe Mathieu-Daudé
2019-05-05 20:05   ` Philippe Mathieu-Daudé
2019-05-06  0:50   ` Wei Yang
2019-05-06 14:39   ` Laszlo Ersek
2019-05-06 15:00     ` Philippe Mathieu-Daudé
2019-05-05 20:05 ` [Qemu-devel] [PATCH 2/5] hw/block/pflash_cfi01: Extract the pflash_reset() code Philippe Mathieu-Daudé
2019-05-05 20:05   ` Philippe Mathieu-Daudé
2019-05-06  0:54   ` Wei Yang
2019-05-06 14:49   ` Laszlo Ersek
2019-05-06 14:51   ` Laszlo Ersek
2019-05-05 20:06 ` [Qemu-devel] [PATCH 3/5] hw/block/pflash_cfi01: Add the DeviceReset() handler Philippe Mathieu-Daudé
2019-05-05 20:06   ` Philippe Mathieu-Daudé
2019-05-06  1:00   ` Wei Yang
2019-05-06 14:54   ` Laszlo Ersek
2019-05-05 20:06 ` Philippe Mathieu-Daudé [this message]
2019-05-05 20:06   ` [Qemu-devel] [PATCH 4/5] hw/block/pflash_cfi02: Extract the pflash_reset() code Philippe Mathieu-Daudé
2019-05-06  1:05   ` Wei Yang
2019-05-06 14:57   ` Laszlo Ersek
2019-05-06 15:03     ` Philippe Mathieu-Daudé
2019-05-05 20:06 ` [Qemu-devel] [PATCH 5/5] hw/block/pflash_cfi02: Add the DeviceReset() handler Philippe Mathieu-Daudé
2019-05-05 20:06   ` Philippe Mathieu-Daudé
2019-05-06  1:05   ` Wei Yang
2019-05-06 15:17   ` Laszlo Ersek
2019-05-06 18:32     ` Philippe Mathieu-Daudé

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