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Groups > linux.kernel > #1736994
| From | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 4/6] serial: imx: unmap sg buffers when DMA channel is released |
| Date | 2017-09-21 20:30 +0200 |
| Message-ID | <useox-4rm-3@gated-at.bofh.it> (permalink) |
| References | <uscmJ-3iX-3@gated-at.bofh.it> <uscmK-3iX-39@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, Sep 21, 2017 at 05:18:15PM +0100, Martyn Welch wrote: > From: Nandor Han <nandor.han@ge.com> > > This commits unmaps sg buffers when the DMA channel is released. It also > sets to zero `dma_is_rxing` and `dma_is_txing` to state that the > corresponding channels cannot transmit/receive data, as these are > disabled. That's a fix for a race, right? The functions being fixed were introduced just in the patch before and I guess the race was there already before. It is best if you could resort your series to have fixes first. This way they can easily be applied during the rc phase while the rest waits for the merge window. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |
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[PATCH v3 0/6] serial: imx: various improvements Martyn Welch <martyn.welch@collabora.co.uk> - 2017-09-21 18:20 +0200
[PATCH v3 3/6] serial: imx: Simplify DMA disablement Martyn Welch <martyn.welch@collabora.co.uk> - 2017-09-21 18:20 +0200
[PATCH v3 6/6] serial: imx: Fix imx_shutdown procedure Martyn Welch <martyn.welch@collabora.co.uk> - 2017-09-21 18:20 +0200
[PATCH v3 4/6] serial: imx: unmap sg buffers when DMA channel is released Martyn Welch <martyn.welch@collabora.co.uk> - 2017-09-21 18:20 +0200
Re: [PATCH v3 4/6] serial: imx: unmap sg buffers when DMA channel is released Uwe Kleine-König <u.kleine-koenig@pengutronix.de> - 2017-09-21 20:30 +0200
[PATCH v3 1/6] serial: imx: remove CTSC and CTS handling from imx_disable_dma Martyn Welch <martyn.welch@collabora.co.uk> - 2017-09-21 18:30 +0200
Re: [PATCH v3 1/6] serial: imx: remove CTSC and CTS handling from imx_disable_dma Uwe Kleine-König <u.kleine-koenig@pengutronix.de> - 2017-09-21 20:30 +0200
Re: [PATCH v3 1/6] serial: imx: remove CTSC and CTS handling from imx_disable_dma Martyn Welch <martyn.welch@collabora.co.uk> - 2017-09-21 21:20 +0200
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