Re: [PATCH 23/42] mmc: sdhci-of-bst: Use devm_of_reserved_mem_device_init_by_idx()
Adrian Hunter <[email protected]> Tue, 14 Jul 2026 12:33:31 +0300
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On 03/07/2026 22:38, Mukesh Ojha wrote: > Use the devres-managed devm_of_reserved_mem_device_init_by_idx() instead > of the manual of_reserved_mem_device_init_by_idx()/ > of_reserved_mem_device_release() pair, letting the device resource > manager handle cleanup automatically. > > Signed-off-by: Mukesh Ojha <[email protected]> Acked-by: Adrian Hunter <[email protected]> > --- > drivers/mmc/host/sdhci-of-bst.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-of-bst.c b/drivers/mmc/host/sdhci-of-bst.c > index f8d3df715e1a..304554ced690 100644 > --- a/drivers/mmc/host/sdhci-of-bst.c > +++ b/drivers/mmc/host/sdhci-of-bst.c > @@ -405,7 +405,6 @@ static void sdhci_bst_free_bounce_buffer(struct sdhci_host *host) > host->bounce_buffer, host->bounce_addr); > host->bounce_buffer = NULL; > } > - of_reserved_mem_device_release(mmc_dev(host->mmc)); > } > > static int sdhci_bst_alloc_bounce_buffer(struct sdhci_host *host) > @@ -417,7 +416,7 @@ static int sdhci_bst_alloc_bounce_buffer(struct sdhci_host *host) > /* Fixed SRAM bounce size to 32KB: verified config under 32-bit DMA addressing limit */ > bounce_size = SZ_32K; > > - ret = of_reserved_mem_device_init_by_idx(mmc_dev(mmc), mmc_dev(mmc)->of_node, 0); > + ret = devm_of_reserved_mem_device_init_by_idx(mmc_dev(mmc), mmc_dev(mmc)->of_node, 0); > if (ret) { > dev_err(mmc_dev(mmc), "Failed to initialize reserved memory\n"); > return ret; > @@ -425,10 +424,8 @@ static int sdhci_bst_alloc_bounce_buffer(struct sdhci_host *host) > > host->bounce_buffer = dma_alloc_coherent(mmc_dev(mmc), bounce_size, > &host->bounce_addr, GFP_KERNEL); > - if (!host->bounce_buffer) { > - of_reserved_mem_device_release(mmc_dev(mmc)); > + if (!host->bounce_buffer) > return -ENOMEM; > - } > > host->bounce_buffer_size = bounce_size; >