Commit e564f054 authored by Simon Glass's avatar Simon Glass
Browse files

dm: core: Add dev_get_uclass_priv() to access uclass private data



Add a convenience function to access the private data that a uclass stores
for each of its devices. Convert over most existing uses for consistency
and to provide an example for others.
Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
parent 106cce96
......@@ -130,7 +130,7 @@ static int do_spi_flash_probe(int argc, char * const argv[])
return 1;
}
flash = new->uclass_priv;
flash = dev_get_uclass_priv(new);
#else
new = spi_flash_probe(bus, cs, speed, mode);
if (!new) {
......
......@@ -35,7 +35,7 @@ struct cros_ec_dev *board_get_cros_ec_dev(void)
debug("%s: Error %d\n", __func__, ret);
return NULL;
}
return dev->uclass_priv;
return dev_get_uclass_priv(dev);
#else
return local.cros_ec_dev;
#endif
......
......@@ -305,6 +305,16 @@ void *dev_get_priv(struct udevice *dev)
return dev->priv;
}
void *dev_get_uclass_priv(struct udevice *dev)
{
if (!dev) {
dm_warn("%s: null device\n", __func__);
return NULL;
}
return dev->uclass_priv;
}
void *dev_get_parentdata(struct udevice *dev)
{
if (!dev) {
......
......@@ -511,7 +511,7 @@ static int at91_gpio_probe(struct udevice *dev)
{
struct at91_port_priv *port = dev_get_priv(dev);
struct at91_port_platdata *plat = dev_get_platdata(dev);
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
uc_priv->bank_name = plat->bank_name;
uc_priv->gpio_count = GPIO_PER_BANK;
......
......@@ -105,7 +105,7 @@ static int bcm2835_gpio_probe(struct udevice *dev)
{
struct bcm2835_gpios *gpios = dev_get_priv(dev);
struct bcm2835_gpio_platdata *plat = dev_get_platdata(dev);
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
uc_priv->bank_name = "GPIO";
uc_priv->gpio_count = BCM2835_GPIO_COUNT;
......
......@@ -34,7 +34,7 @@ static int gpio_to_device(unsigned int gpio, struct gpio_desc *desc)
for (ret = uclass_first_device(UCLASS_GPIO, &dev);
dev;
ret = uclass_next_device(&dev)) {
uc_priv = dev->uclass_priv;
uc_priv = dev_get_uclass_priv(dev);
if (gpio >= uc_priv->gpio_base &&
gpio < uc_priv->gpio_base + uc_priv->gpio_count) {
desc->dev = dev;
......@@ -65,7 +65,7 @@ int gpio_lookup_name(const char *name, struct udevice **devp,
ret = uclass_next_device(&dev)) {
int len;
uc_priv = dev->uclass_priv;
uc_priv = dev_get_uclass_priv(dev);
if (numeric != -1) {
offset = numeric - uc_priv->gpio_base;
/* Allow GPIOs to be numbered from 0 */
......@@ -116,7 +116,7 @@ static int dm_gpio_request(struct gpio_desc *desc, const char *label)
char *str;
int ret;
uc_priv = dev->uclass_priv;
uc_priv = dev_get_uclass_priv(dev);
if (uc_priv->name[desc->offset])
return -EBUSY;
str = strdup(label);
......@@ -195,7 +195,7 @@ int _dm_gpio_free(struct udevice *dev, uint offset)
struct gpio_dev_priv *uc_priv;
int ret;
uc_priv = dev->uclass_priv;
uc_priv = dev_get_uclass_priv(dev);
if (!uc_priv->name[offset])
return -ENXIO;
if (gpio_get_ops(dev)->free) {
......@@ -232,7 +232,7 @@ int gpio_free(unsigned gpio)
static int check_reserved(struct gpio_desc *desc, const char *func)
{
struct gpio_dev_priv *uc_priv = desc->dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(desc->dev);
if (!uc_priv->name[desc->offset]) {
printf("%s: %s: error: gpio %s%d not reserved\n",
......@@ -402,7 +402,7 @@ const char *gpio_get_bank_info(struct udevice *dev, int *bit_count)
struct gpio_dev_priv *priv;
/* Must be called on an active device */
priv = dev->uclass_priv;
priv = dev_get_uclass_priv(dev);
assert(priv);
*bit_count = priv->gpio_count;
......@@ -420,7 +420,7 @@ static const char * const gpio_function[GPIOF_COUNT] = {
int get_function(struct udevice *dev, int offset, bool skip_unused,
const char **namep)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
struct dm_gpio_ops *ops = gpio_get_ops(dev);
BUILD_BUG_ON(GPIOF_COUNT != ARRAY_SIZE(gpio_function));
......@@ -468,7 +468,7 @@ int gpio_get_status(struct udevice *dev, int offset, char *buf, int buffsize)
BUILD_BUG_ON(GPIOF_COUNT != ARRAY_SIZE(gpio_function));
*buf = 0;
priv = dev->uclass_priv;
priv = dev_get_uclass_priv(dev);
ret = gpio_get_raw_function(dev, offset, NULL);
if (ret < 0)
return ret;
......@@ -680,7 +680,7 @@ static int gpio_renumber(struct udevice *removed_dev)
base = 0;
uclass_foreach_dev(dev, uc) {
if (device_active(dev) && dev != removed_dev) {
uc_priv = dev->uclass_priv;
uc_priv = dev_get_uclass_priv(dev);
uc_priv->gpio_base = base;
base += uc_priv->gpio_count;
}
......@@ -691,7 +691,7 @@ static int gpio_renumber(struct udevice *removed_dev)
static int gpio_post_probe(struct udevice *dev)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
uc_priv->name = calloc(uc_priv->gpio_count, sizeof(char *));
if (!uc_priv->name)
......@@ -702,7 +702,7 @@ static int gpio_post_probe(struct udevice *dev)
static int gpio_pre_remove(struct udevice *dev)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
int i;
for (i = 0; i < uc_priv->gpio_count; i++) {
......
......@@ -151,7 +151,7 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev)
static int ich6_gpio_probe(struct udevice *dev)
{
struct ich6_bank_platdata *plat = dev_get_platdata(dev);
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
struct ich6_bank_priv *bank = dev_get_priv(dev);
if (gd->arch.gpio_map) {
......
......@@ -266,7 +266,7 @@ static int mxc_gpio_probe(struct udevice *dev)
{
struct mxc_bank_info *bank = dev_get_priv(dev);
struct mxc_gpio_plat *plat = dev_get_platdata(dev);
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
int banknum;
char name[18], *str;
......
......@@ -309,7 +309,7 @@ static int omap_gpio_probe(struct udevice *dev)
{
struct gpio_bank *bank = dev_get_priv(dev);
struct omap_gpio_platdata *plat = dev_get_platdata(dev);
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
char name[18], *str;
sprintf(name, "GPIO%d_", plat->bank_index);
......
......@@ -296,7 +296,7 @@ static const struct dm_gpio_ops gpio_exynos_ops = {
static int gpio_exynos_probe(struct udevice *dev)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
struct exynos_bank_info *priv = dev->priv;
struct exynos_gpio_platdata *plat = dev->platdata;
......
......@@ -24,7 +24,7 @@ struct gpio_state {
/* Access routines for GPIO state */
static u8 *get_gpio_flags(struct udevice *dev, unsigned offset)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
struct gpio_state *state = dev_get_priv(dev);
if (offset >= uc_priv->gpio_count) {
......@@ -160,7 +160,7 @@ static const struct dm_gpio_ops gpio_sandbox_ops = {
static int sandbox_gpio_ofdata_to_platdata(struct udevice *dev)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
uc_priv->gpio_count = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
"num-gpios", 0);
......@@ -172,7 +172,7 @@ static int sandbox_gpio_ofdata_to_platdata(struct udevice *dev)
static int gpio_sandbox_probe(struct udevice *dev)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
if (dev->of_offset == -1) {
/* Tell the uclass how many GPIOs we have */
......
......@@ -261,7 +261,7 @@ static char *gpio_bank_name(int bank)
static int gpio_sunxi_probe(struct udevice *dev)
{
struct sunxi_gpio_platdata *plat = dev_get_platdata(dev);
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
/* Tell the uclass how many GPIOs we have */
if (plat) {
......
......@@ -295,7 +295,7 @@ static const struct udevice_id tegra_gpio_ids[] = {
static int gpio_tegra_probe(struct udevice *dev)
{
struct gpio_dev_priv *uc_priv = dev->uclass_priv;
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
struct tegra_port_info *priv = dev->priv;
struct tegra_gpio_platdata *plat = dev->platdata;
......
......@@ -330,7 +330,7 @@ int dm_i2c_probe(struct udevice *bus, uint chip_addr, uint chip_flags,
int dm_i2c_set_bus_speed(struct udevice *bus, unsigned int speed)
{
struct dm_i2c_ops *ops = i2c_get_ops(bus);
struct dm_i2c_bus *i2c = bus->uclass_priv;
struct dm_i2c_bus *i2c = dev_get_uclass_priv(bus);
int ret;
/*
......@@ -351,7 +351,7 @@ int dm_i2c_set_bus_speed(struct udevice *bus, unsigned int speed)
int dm_i2c_get_bus_speed(struct udevice *bus)
{
struct dm_i2c_ops *ops = i2c_get_ops(bus);
struct dm_i2c_bus *i2c = bus->uclass_priv;
struct dm_i2c_bus *i2c = dev_get_uclass_priv(bus);
if (!ops->get_bus_speed)
return i2c->speed_hz;
......@@ -432,7 +432,7 @@ int i2c_chip_ofdata_to_platdata(const void *blob, int node,
static int i2c_post_probe(struct udevice *dev)
{
struct dm_i2c_bus *i2c = dev->uclass_priv;
struct dm_i2c_bus *i2c = dev_get_uclass_priv(dev);
i2c->speed_hz = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
"clock-frequency", 100000);
......
......@@ -50,7 +50,7 @@ static int get_emul(struct udevice *dev, struct udevice **devp,
static int sandbox_i2c_xfer(struct udevice *bus, struct i2c_msg *msg,
int nmsgs)
{
struct dm_i2c_bus *i2c = bus->uclass_priv;
struct dm_i2c_bus *i2c = dev_get_uclass_priv(bus);
struct dm_i2c_ops *ops;
struct udevice *emul, *dev;
bool is_read;
......
......@@ -1087,7 +1087,7 @@ static int cros_ec_decode_fdt(const void *blob, int node,
#ifdef CONFIG_DM_CROS_EC
int cros_ec_register(struct udevice *dev)
{
struct cros_ec_dev *cdev = dev->uclass_priv;
struct cros_ec_dev *cdev = dev_get_uclass_priv(dev);
const void *blob = gd->fdt_blob;
int node = dev->of_offset;
char id[MSG_BYTES];
......@@ -1128,7 +1128,7 @@ int cros_ec_init(const void *blob, struct cros_ec_dev **cros_ecp)
ret = uclass_get_device(UCLASS_CROS_EC, 0, &udev);
if (ret)
return ret;
dev = udev->uclass_priv;
dev = dev_get_uclass_priv(udev);
return 0;
#else
int node = 0;
......@@ -1610,7 +1610,7 @@ static int do_cros_ec(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
printf("Cannot get cros-ec device (err=%d)\n", ret);
return 1;
}
dev = udev->uclass_priv;
dev = dev_get_uclass_priv(udev);
#else
/* Just use the last allocated device; there should be only one */
if (!last_dev) {
......
......@@ -28,7 +28,7 @@ static int cros_ec_i2c_command(struct udevice *udev, uint8_t cmd,
int cmd_version, const uint8_t *dout,
int dout_len, uint8_t **dinp, int din_len)
{
struct cros_ec_dev *dev = udev->uclass_priv;
struct cros_ec_dev *dev = dev_get_uclass_priv(udev);
/* version8, cmd8, arglen8, out8[dout_len], csum8 */
int out_bytes = dout_len + 4;
/* response8, arglen8, in8[din_len], checksum8 */
......
......@@ -470,7 +470,7 @@ static int process_cmd(struct ec_state *ec,
#ifdef CONFIG_DM_CROS_EC
int cros_ec_sandbox_packet(struct udevice *udev, int out_bytes, int in_bytes)
{
struct cros_ec_dev *dev = udev->uclass_priv;
struct cros_ec_dev *dev = dev_get_uclass_priv(udev);
struct ec_state *ec = dev_get_priv(dev->dev);
#else
int cros_ec_sandbox_packet(struct cros_ec_dev *dev, int out_bytes,
......
......@@ -23,7 +23,7 @@ DECLARE_GLOBAL_DATA_PTR;
int cros_ec_spi_packet(struct udevice *udev, int out_bytes, int in_bytes)
{
struct cros_ec_dev *dev = udev->uclass_priv;
struct cros_ec_dev *dev = dev_get_uclass_priv(udev);
struct spi_slave *slave = dev_get_parentdata(dev->dev);
int rv;
......@@ -66,7 +66,7 @@ int cros_ec_spi_command(struct udevice *udev, uint8_t cmd, int cmd_version,
const uint8_t *dout, int dout_len,
uint8_t **dinp, int din_len)
{
struct cros_ec_dev *dev = udev->uclass_priv;
struct cros_ec_dev *dev = dev_get_uclass_priv(udev);
struct spi_slave *slave = dev_get_parentdata(dev->dev);
int in_bytes = din_len + 4; /* status, length, checksum, trailer */
uint8_t *out;
......
......@@ -23,7 +23,7 @@ struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
if (spi_flash_probe_bus_cs(bus, cs, max_hz, spi_mode, &dev))
return NULL;
return dev->uclass_priv;
return dev_get_uclass_priv(dev);
}
void spi_flash_free(struct spi_flash *flash)
......
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