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authorJules Maselbas <jmaselbas@kalray.eu>2021-11-22 18:31:23 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2021-11-25 08:45:23 +0100
commitf9e320b6fee489a5634aca59fe5715e208353621 (patch)
treea96ae36eac174c63af6335a328723324137eb293 /dts/Bindings/leds/common.txt
parent9d90cd0274bce967a11e790c424530e6393be2a6 (diff)
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usb: dwc2: host: Do not map buffer on zero len packetHEADmaster
The transfer_chunk can be called for zero length packet, in such case the buffer pointer is NULL and can fail to be mapped for the device. In such case the device DMA address can be directly set to 0, as the buffer address should be NULL anyway, without calling map/unmap at all. Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu> Link: https://lore.barebox.org/20211122173123.17252-1-jmaselbas@kalray.eu Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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