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[v2,10/11] dmaengine: tegra20-apb: stop checking config->slave_id

Message ID 20211122222203.4103644-11-arnd@kernel.org
State New
Headers show
Series dmaengine: kill off dma_slave_config->slave_id | expand

Commit Message

Arnd Bergmann Nov. 22, 2021, 10:22 p.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>

Nothing sets the slave_id field any more, so stop accessing
it to allow the removal of this field.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/dma/tegra20-apb-dma.c | 6 ------
 1 file changed, 6 deletions(-)
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Patch

diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index b7260749e8ee..eaafcbe4ca94 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -343,12 +343,6 @@  static int tegra_dma_slave_config(struct dma_chan *dc,
 	}
 
 	memcpy(&tdc->dma_sconfig, sconfig, sizeof(*sconfig));
-	if (tdc->slave_id == TEGRA_APBDMA_SLAVE_ID_INVALID &&
-	    sconfig->device_fc) {
-		if (sconfig->slave_id > TEGRA_APBDMA_CSR_REQ_SEL_MASK)
-			return -EINVAL;
-		tdc->slave_id = sconfig->slave_id;
-	}
 	tdc->config_init = true;
 
 	return 0;