[PATCH v2 1/3] i2c-mpc: use __devinit[data] for initialization functions and data
Ben Dooks
ben-linux at fluff.org
Wed Jan 27 01:35:07 EST 2010
On Mon, Jan 25, 2010 at 09:55:04PM +0100, Wolfgang Grandegger wrote:
> From: Wolfgang Grandegger <wg at denx.de>
>
> "__devinit[data]" has not yet been used for all initialization functions
> and data. To avoid truncating lines, the struct mpc_i2c_match_data has
> been renamed to mpc_i2c_data, which is even the better name.
>
> Signed-off-by: Wolfgang Grandegger <wg at denx.de>
> ---
> drivers/i2c/busses/i2c-mpc.c | 99 +++++++++++++++++++----------------------
> 1 files changed, 46 insertions(+), 53 deletions(-)
>
> diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
> index f627001..2cb864e 100644
> --- a/drivers/i2c/busses/i2c-mpc.c
> +++ b/drivers/i2c/busses/i2c-mpc.c
> @@ -66,7 +66,7 @@ struct mpc_i2c_divider {
> u16 fdr; /* including dfsrr */
> };
>
> -struct mpc_i2c_match_data {
> +struct mpc_i2c_data {
> void (*setclock)(struct device_node *node,
> struct mpc_i2c *i2c,
> u32 clock, u32 prescaler);
> @@ -165,7 +165,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing)
> }
>
> #ifdef CONFIG_PPC_MPC52xx
> -static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = {
> +static const struct __devinitdata mpc_i2c_divider mpc_i2c_dividers_52xx[] = {
> {20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23},
> {28, 0x24}, {30, 0x01}, {32, 0x25}, {34, 0x02},
> {36, 0x26}, {40, 0x27}, {44, 0x04}, {48, 0x28},
> @@ -186,7 +186,8 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = {
> {10240, 0x9d}, {12288, 0x9e}, {15360, 0x9f}
> };
>
> -int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler)
> +static int __devinit mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock,
> + int prescaler)
> {
> const struct mpc_i2c_divider *div = NULL;
> unsigned int pvr = mfspr(SPRN_PVR);
> @@ -215,9 +216,9 @@ int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler)
> return div ? (int)div->fdr : -EINVAL;
> }
>
> -static void mpc_i2c_setclock_52xx(struct device_node *node,
> - struct mpc_i2c *i2c,
> - u32 clock, u32 prescaler)
> +static void __devinit mpc_i2c_setclock_52xx(struct device_node *node,
> + struct mpc_i2c *i2c,
> + u32 clock, u32 prescaler)
> {
> int ret, fdr;
>
> @@ -230,15 +231,15 @@ static void mpc_i2c_setclock_52xx(struct device_node *node,
> dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr);
> }
> #else /* !CONFIG_PPC_MPC52xx */
> -static void mpc_i2c_setclock_52xx(struct device_node *node,
> - struct mpc_i2c *i2c,
> - u32 clock, u32 prescaler)
> +static void __devinit mpc_i2c_setclock_52xx(struct device_node *node,
> + struct mpc_i2c *i2c,
> + u32 clock, u32 prescaler)
> {
> }
> #endif /* CONFIG_PPC_MPC52xx*/
>
> #ifdef CONFIG_FSL_SOC
> -static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = {
> +static const struct __devinitdata mpc_i2c_divider mpc_i2c_dividers_8xxx[] = {
> {160, 0x0120}, {192, 0x0121}, {224, 0x0122}, {256, 0x0123},
> {288, 0x0100}, {320, 0x0101}, {352, 0x0601}, {384, 0x0102},
> {416, 0x0602}, {448, 0x0126}, {480, 0x0103}, {512, 0x0127},
> @@ -258,7 +259,7 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = {
> {49152, 0x011e}, {61440, 0x011f}
> };
>
> -u32 mpc_i2c_get_sec_cfg_8xxx(void)
> +static u32 __devinit mpc_i2c_get_sec_cfg_8xxx(void)
> {
> struct device_node *node = NULL;
> u32 __iomem *reg;
> @@ -287,7 +288,8 @@ u32 mpc_i2c_get_sec_cfg_8xxx(void)
> return val;
> }
>
> -int mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock, u32 prescaler)
> +static int __devinit mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock,
> + u32 prescaler)
> {
> const struct mpc_i2c_divider *div = NULL;
> u32 divider;
> @@ -320,9 +322,9 @@ int mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock, u32 prescaler)
> return div ? (int)div->fdr : -EINVAL;
> }
>
> -static void mpc_i2c_setclock_8xxx(struct device_node *node,
> - struct mpc_i2c *i2c,
> - u32 clock, u32 prescaler)
> +static void __devinit mpc_i2c_setclock_8xxx(struct device_node *node,
> + struct mpc_i2c *i2c,
> + u32 clock, u32 prescaler)
> {
> int ret, fdr;
>
> @@ -338,9 +340,9 @@ static void mpc_i2c_setclock_8xxx(struct device_node *node,
> }
>
> #else /* !CONFIG_FSL_SOC */
> -static void mpc_i2c_setclock_8xxx(struct device_node *node,
> - struct mpc_i2c *i2c,
> - u32 clock, u32 prescaler)
> +static void __devinit mpc_i2c_setclock_8xxx(struct device_node *node,
> + struct mpc_i2c *i2c,
> + u32 clock, u32 prescaler)
> {
> }
> #endif /* CONFIG_FSL_SOC */
> @@ -529,8 +531,8 @@ static int __devinit fsl_i2c_probe(struct of_device *op,
> clock = *prop;
>
> if (match->data) {
> - struct mpc_i2c_match_data *data =
> - (struct mpc_i2c_match_data *)match->data;
> + struct mpc_i2c_data *data =
> + (struct mpc_i2c_data *)match->data;
> data->setclock(op->node, i2c, clock, data->prescaler);
> } else {
> /* Backwards compatibility */
> @@ -582,44 +584,35 @@ static int __devexit fsl_i2c_remove(struct of_device *op)
> return 0;
> };
>
> +static struct mpc_i2c_data __devinitdata mpc_i2c_data_52xx = {
> + .setclock = mpc_i2c_setclock_52xx,
> +};
> +
> +static struct mpc_i2c_data __devinitdata mpc_i2c_data_8313 = {
> + .setclock = mpc_i2c_setclock_8xxx,
> +};
> +
> +static struct mpc_i2c_data __devinitdata mpc_i2c_data_8543 = {
> + .setclock = mpc_i2c_setclock_8xxx,
> + .prescaler = 2,
> +};
> +
> +static struct mpc_i2c_data __devinitdata mpc_i2c_data_8544 = {
> + .setclock = mpc_i2c_setclock_8xxx,
> + .prescaler = 3,
> +};
> +
> static const struct of_device_id mpc_i2c_of_match[] = {
> - {.compatible = "mpc5200-i2c",
> - .data = &(struct mpc_i2c_match_data) {
> - .setclock = mpc_i2c_setclock_52xx,
> - },
> - },
> - {.compatible = "fsl,mpc5200b-i2c",
> - .data = &(struct mpc_i2c_match_data) {
> - .setclock = mpc_i2c_setclock_52xx,
> - },
> - },
> - {.compatible = "fsl,mpc5200-i2c",
> - .data = &(struct mpc_i2c_match_data) {
> - .setclock = mpc_i2c_setclock_52xx,
> - },
> - },
> - {.compatible = "fsl,mpc8313-i2c",
> - .data = &(struct mpc_i2c_match_data) {
> - .setclock = mpc_i2c_setclock_8xxx,
> - },
> - },
> - {.compatible = "fsl,mpc8543-i2c",
> - .data = &(struct mpc_i2c_match_data) {
> - .setclock = mpc_i2c_setclock_8xxx,
> - .prescaler = 2,
> - },
> - },
> - {.compatible = "fsl,mpc8544-i2c",
> - .data = &(struct mpc_i2c_match_data) {
> - .setclock = mpc_i2c_setclock_8xxx,
> - .prescaler = 3,
> - },
> + {.compatible = "mpc5200-i2c", .data = &mpc_i2c_data_52xx, },
> + {.compatible = "fsl,mpc5200b-i2c", .data = &mpc_i2c_data_52xx, },
> + {.compatible = "fsl,mpc5200-i2c", .data = &mpc_i2c_data_52xx, },
> + {.compatible = "fsl,mpc8313-i2c", .data = &mpc_i2c_data_8313, },
> + {.compatible = "fsl,mpc8543-i2c", .data = &mpc_i2c_data_8543, },
> + {.compatible = "fsl,mpc8544-i2c", .data = &mpc_i2c_data_8544, },
> /* Backward compatibility */
> - },
> {.compatible = "fsl-i2c", },
> {},
> };
Any particular reason you decided to move this all about?
Are you sure that __devinitdata is the right thing here, I've no idea
if there is currently any hotplug type support for openfirmware or
not.
--
Ben (ben at fluff.org, http://www.fluff.org/)
'a smiley only costs 4 bytes'
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