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firmware: turris-mox-rwtm: Use container_of() instead of hwrng .priv member

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Use container_of() to get driver private structure from hwnrg structure,
instead of the hwrng's .priv member, as suggested by Herbert for another
driver.

Link: https://lore.kernel.org/soc/ZmLhQBdmg613KdET@gondor.apana.org.au/
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240831092050.23093-14-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Marek Behún 2024-08-31 11:20:47 +02:00 committed by Arnd Bergmann
parent db955e0847
commit 21733f5902
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GPG Key ID: 60AB47FFC9095227
1 changed files with 1 additions and 2 deletions
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3
drivers/firmware/turris-mox-rwtm.c
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@ -259,7 +259,7 @@ static int check_get_random_support(struct mox_rwtm *rwtm)
static int mox_hwrng_read(struct hwrng *rng, void *data, size_t max, bool wait)
{
struct mox_rwtm *rwtm = (struct mox_rwtm *) rng->priv;
struct mox_rwtm *rwtm = container_of(rng, struct mox_rwtm, hwrng);
struct armada_37xx_rwtm_tx_msg msg;
int ret;
@ -487,7 +487,6 @@ static int turris_mox_rwtm_probe(struct platform_device *pdev)
rwtm->hwrng.name = DRIVER_NAME "_hwrng";
rwtm->hwrng.read = mox_hwrng_read;
rwtm->hwrng.priv = (unsigned long) rwtm;
ret = devm_hwrng_register(dev, &rwtm->hwrng);
if (ret)