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List:       tpmdd-devel
Subject:    Re: [tpmdd-devel] [PATCH v2 04/10] tpm/tpm_i2c_stm_st33: Replace access to io_lpcpd from struct st33
From:       Peter =?iso-8859-15?q?H=FCwe?= <PeterHuewe () gmx ! de>
Date:       2015-01-17 13:44:47
Message-ID: 201501171444.49175.PeterHuewe () gmx ! de
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Am Dienstag, 13. Januar 2015, 23:13:12 schrieb Christophe Ricard:
> io_lpcpd is accessible from struct tpm_stm_dev.
> struct st33zp24_platform_data is only valid when using static platform
> configuration data, not when using dts.
> 
> Reviewed-by: Jasob Gunthorpe <jason.gunthorpe@obsidianresearch.com>
> Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
> ---
>  drivers/char/tpm/tpm_i2c_stm_st33.c | 16 ++++++++++------
>  1 file changed, 10 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/char/tpm/tpm_i2c_stm_st33.c
> b/drivers/char/tpm/tpm_i2c_stm_st33.c index d12d507..9d3c9c8 100644
> --- a/drivers/char/tpm/tpm_i2c_stm_st33.c
> +++ b/drivers/char/tpm/tpm_i2c_stm_st33.c
> @@ -834,11 +834,14 @@ static int tpm_stm_i2c_remove(struct i2c_client
> *client) */
>  static int tpm_stm_i2c_pm_suspend(struct device *dev)
>  {
> -	struct st33zp24_platform_data *pin_infos = dev->platform_data;
> +	struct tpm_chip *chip = dev_get_drvdata(dev);
> +	struct tpm_stm_dev *tpm_dev;
>  	int ret = 0;
> 
> -	if (gpio_is_valid(pin_infos->io_lpcpd))
> -		gpio_set_value(pin_infos->io_lpcpd, 0);
> +	tpm_dev = (struct tpm_stm_dev *)TPM_VPRIV(chip);
> +
> +	if (gpio_is_valid(tpm_dev->io_lpcpd))
> +		gpio_set_value(tpm_dev->io_lpcpd, 0);
>  	else
>  		ret = tpm_pm_suspend(dev);

patch is not self contained and fails to build.

drivers/char/tpm/tpm_i2c_stm_st33.c: In function 'tpm_stm_i2c_pm_resume':
drivers/char/tpm/tpm_i2c_stm_st33.c:864:20: error: 'pin_infos' undeclared 
(first use in this function)
  if (gpio_is_valid(pin_infos->io_lpcpd)) {
                    ^
drivers/char/tpm/tpm_i2c_stm_st33.c:864:20: note: each undeclared identifier 
is reported only once for each function it appears in
scripts/Makefile.build:263: recipe for target 
'drivers/char/tpm/tpm_i2c_stm_st33.o' failed
make[3]: *** [drivers/char/tpm/tpm_i2c_stm_st33.o] Error 1

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