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misc: imx8: scu: use platdata instead of priv data

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priv data has not been allocated when doing bind, so it is
wrong to use dev_get_priv in bind call back.

Let's switch to use platdata in the driver to fix the issue.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Peng Fan 2018-12-15 12:19:52 +00:00 committed by Stefano Babic
parent ecab65e4cd
commit 026381fc5a
1 changed files with 13 additions and 13 deletions
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26
drivers/misc/imx8/scu.c
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@ -158,7 +158,7 @@ static int sc_ipc_write(struct mu_type *base, void *data)
static int imx8_scu_call(struct udevice *dev, int no_resp, void *tx_msg,
int tx_size, void *rx_msg, int rx_size)
{
struct imx8_scu *priv = dev_get_priv(dev);
struct imx8_scu *plat = dev_get_platdata(dev);
sc_err_t result;
int ret;
@ -166,11 +166,11 @@ static int imx8_scu_call(struct udevice *dev, int no_resp, void *tx_msg,
if (rx_msg && tx_msg != rx_msg)
printf("tx_msg %p, rx_msg %p\n", tx_msg, rx_msg);
ret = sc_ipc_write(priv->base, tx_msg);
ret = sc_ipc_write(plat->base, tx_msg);
if (ret)
return ret;
if (!no_resp) {
ret = sc_ipc_read(priv->base, rx_msg);
ret = sc_ipc_read(plat->base, rx_msg);
if (ret)
return ret;
}
@ -182,24 +182,24 @@ static int imx8_scu_call(struct udevice *dev, int no_resp, void *tx_msg,
static int imx8_scu_probe(struct udevice *dev)
{
struct imx8_scu *priv = dev_get_priv(dev);
struct imx8_scu *plat = dev_get_platdata(dev);
fdt_addr_t addr;
debug("%s(dev=%p) (priv=%p)\n", __func__, dev, priv);
debug("%s(dev=%p) (plat=%p)\n", __func__, dev, plat);
addr = devfdt_get_addr(dev);
if (addr == FDT_ADDR_T_NONE)
return -EINVAL;
priv->base = (struct mu_type *)addr;
plat->base = (struct mu_type *)addr;
/* U-Boot not enable interrupts, so need to enable RX interrupts */
mu_hal_init(priv->base);
mu_hal_init(plat->base);
gd->arch.scu_dev = dev;
device_probe(priv->clk);
device_probe(priv->pinclk);
device_probe(plat->clk);
device_probe(plat->pinclk);
return 0;
}
@ -211,7 +211,7 @@ static int imx8_scu_remove(struct udevice *dev)
static int imx8_scu_bind(struct udevice *dev)
{
struct imx8_scu *priv = dev_get_priv(dev);
struct imx8_scu *plat = dev_get_platdata(dev);
int ret;
struct udevice *child;
int node;
@ -227,7 +227,7 @@ static int imx8_scu_bind(struct udevice *dev)
if (ret)
return ret;
priv->clk = child;
plat->clk = child;
node = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
"fsl,imx8qxp-iomuxc");
@ -238,7 +238,7 @@ static int imx8_scu_bind(struct udevice *dev)
if (ret)
return ret;
priv->pinclk = child;
plat->pinclk = child;
return 0;
}
@ -261,6 +261,6 @@ U_BOOT_DRIVER(imx8_scu) = {
.bind = imx8_scu_bind,
.remove = imx8_scu_remove,
.ops = &imx8_scu_ops,
.priv_auto_alloc_size = sizeof(struct imx8_scu),
.platdata_auto_alloc_size = sizeof(struct imx8_scu),
.flags = DM_FLAG_PRE_RELOC,
};