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block/nand: QOM casting sweep

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Define and use standard QOM cast macro. Remove usages of DO_UPCAST and
direct -> style casting.

Cc: afaerber@suse.de

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Crosthwaite 2013-06-18 21:10:44 +10:00 committed by Peter Maydell
parent f3c8fac25f
commit e12078cc62
1 changed files with 16 additions and 9 deletions
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25
hw/block/nand.c
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@ -82,6 +82,11 @@ struct NANDFlashState {
uint32_t ioaddr_vmstate; uint32_t ioaddr_vmstate;
}; };
#define TYPE_NAND "nand"
#define NAND(obj) \
OBJECT_CHECK(NANDFlashState, (obj), TYPE_NAND)
static void mem_and(uint8_t *dest, const uint8_t *src, size_t n) static void mem_and(uint8_t *dest, const uint8_t *src, size_t n)
{ {
/* Like memcpy() but we logical-AND the data into the destination */ /* Like memcpy() but we logical-AND the data into the destination */
@ -224,7 +229,7 @@ static const struct {
static void nand_reset(DeviceState *dev) static void nand_reset(DeviceState *dev)
{ {
NANDFlashState *s = FROM_SYSBUS(NANDFlashState, SYS_BUS_DEVICE(dev)); NANDFlashState *s = NAND(dev);
s->cmd = NAND_CMD_READ0; s->cmd = NAND_CMD_READ0;
s->addr = 0; s->addr = 0;
s->addrlen = 0; s->addrlen = 0;
@ -279,7 +284,7 @@ static void nand_command(NANDFlashState *s)
break; break;
case NAND_CMD_RESET: case NAND_CMD_RESET:
nand_reset(&s->busdev.qdev); nand_reset(DEVICE(s));
break; break;
case NAND_CMD_PAGEPROGRAM1: case NAND_CMD_PAGEPROGRAM1:
@ -319,14 +324,14 @@ static void nand_command(NANDFlashState *s)
static void nand_pre_save(void *opaque) static void nand_pre_save(void *opaque)
{ {
NANDFlashState *s = opaque; NANDFlashState *s = NAND(opaque);
s->ioaddr_vmstate = s->ioaddr - s->io; s->ioaddr_vmstate = s->ioaddr - s->io;
} }
static int nand_post_load(void *opaque, int version_id) static int nand_post_load(void *opaque, int version_id)
{ {
NANDFlashState *s = opaque; NANDFlashState *s = NAND(opaque);
if (s->ioaddr_vmstate > sizeof(s->io)) { if (s->ioaddr_vmstate > sizeof(s->io)) {
return -EINVAL; return -EINVAL;
@ -365,7 +370,7 @@ static const VMStateDescription vmstate_nand = {
static int nand_device_init(SysBusDevice *dev) static int nand_device_init(SysBusDevice *dev)
{ {
int pagesize; int pagesize;
NANDFlashState *s = FROM_SYSBUS(NANDFlashState, dev); NANDFlashState *s = NAND(dev);
s->buswidth = nand_flash_ids[s->chip_id].width >> 3; s->buswidth = nand_flash_ids[s->chip_id].width >> 3;
s->size = nand_flash_ids[s->chip_id].size << 20; s->size = nand_flash_ids[s->chip_id].size << 20;
@ -436,7 +441,7 @@ static void nand_class_init(ObjectClass *klass, void *data)
} }
static const TypeInfo nand_info = { static const TypeInfo nand_info = {
.name = "nand", .name = TYPE_NAND,
.parent = TYPE_SYS_BUS_DEVICE, .parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(NANDFlashState), .instance_size = sizeof(NANDFlashState),
.class_init = nand_class_init, .class_init = nand_class_init,
@ -456,7 +461,8 @@ static void nand_register_types(void)
void nand_setpins(DeviceState *dev, uint8_t cle, uint8_t ale, void nand_setpins(DeviceState *dev, uint8_t cle, uint8_t ale,
uint8_t ce, uint8_t wp, uint8_t gnd) uint8_t ce, uint8_t wp, uint8_t gnd)
{ {
NANDFlashState *s = (NANDFlashState *) dev; NANDFlashState *s = NAND(dev);
s->cle = cle; s->cle = cle;
s->ale = ale; s->ale = ale;
s->ce = ce; s->ce = ce;
@ -477,7 +483,8 @@ void nand_getpins(DeviceState *dev, int *rb)
void nand_setio(DeviceState *dev, uint32_t value) void nand_setio(DeviceState *dev, uint32_t value)
{ {
int i; int i;
NANDFlashState *s = (NANDFlashState *) dev; NANDFlashState *s = NAND(dev);
if (!s->ce && s->cle) { if (!s->ce && s->cle) {
if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) { if (nand_flash_ids[s->chip_id].options & NAND_SAMSUNG_LP) {
if (s->cmd == NAND_CMD_READ0 && value == NAND_CMD_LPREAD2) if (s->cmd == NAND_CMD_READ0 && value == NAND_CMD_LPREAD2)
@ -581,7 +588,7 @@ uint32_t nand_getio(DeviceState *dev)
{ {
int offset; int offset;
uint32_t x = 0; uint32_t x = 0;
NANDFlashState *s = (NANDFlashState *) dev; NANDFlashState *s = NAND(dev);
/* Allow sequential reading */ /* Allow sequential reading */
if (!s->iolen && s->cmd == NAND_CMD_READ0) { if (!s->iolen && s->cmd == NAND_CMD_READ0) {