From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
"Ahmed S. Darwish" <a.darwish@linutronix.de>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Mathias Nyman <mathias.nyman@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org,
Thomas Winischhofer <thomas@winischhofer.net>,
Johan Hovold <johan@kernel.org>,
Valentina Manea <valentina.manea.m@gmail.com>,
Shuah Khan <shuah@kernel.org>,
Alan Stern <stern@rowland.harvard.edu>,
linux-omap@vger.kernel.org, Kukjin Kim <kgene@kernel.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org,
Felipe Balbi <balbi@kernel.org>,
Duncan Sands <duncan.sands@free.fr>
Subject: Re: [patch 05/12] usb: xhci: Remove in_interrupt() checks
Date: Fri, 23 Oct 2020 16:38:57 +0300 [thread overview]
Message-ID: <916bebd9-6d83-3fa9-5e8b-5ecaa65d799e@linux.intel.com> (raw)
In-Reply-To: <20201014145727.607191004@linutronix.de>
On 14.10.2020 17.52, Thomas Gleixner wrote:
> From: Ahmed S. Darwish <a.darwish@linutronix.de>
>
> The usage of in_interrupt() in drivers is phased out for various reasons.
>
> xhci_set_hc_event_deq() has an !in_interrupt() check which is pointless
> because the function is only invoked from xhci_mem_init() which is clearly
> task context as it does GFP_KERNEL allocations. Remove it.
>
> xhci_urb_enqueue() prints a debug message if an URB is submitted after the
> underlying hardware was suspended. But that warning is only issued when
> in_interrupt() is true, which makes no sense. Simply return -ESHUTDOWN and
> be done with it.
>
> Signed-off-by: Ahmed S. Darwish <a.darwish@linutronix.de>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Mathias Nyman <mathias.nyman@intel.com>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: linux-usb@vger.kernel.org
> ---
> drivers/usb/host/xhci-mem.c | 2 +-
> drivers/usb/host/xhci.c | 6 ++----
> 2 files changed, 3 insertions(+), 5 deletions(-)
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
next prev parent reply other threads:[~2020-10-23 13:37 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-14 14:52 [patch 00/12] UBS: Cleanup in_interupt/in_irq/in_atomic() usage Thomas Gleixner
2020-10-14 14:52 ` [patch 01/12] USB: sisusbvga: Make console support depend on BROKEN Thomas Gleixner
2020-10-14 14:52 ` [patch 02/12] USB: serial: keyspan_pda: Replace in_interrupt() usage Thomas Gleixner
2020-10-14 14:52 ` [patch 03/12] USB: serial: keyspan_pda: Consolidate room query Thomas Gleixner
2020-10-14 16:14 ` Alan Stern
2020-10-14 16:17 ` Thomas Gleixner
2020-10-14 16:27 ` Sebastian Andrzej Siewior
2020-10-14 16:34 ` Alan Stern
2020-10-14 16:44 ` Sebastian Andrzej Siewior
2020-10-14 14:52 ` [patch 04/12] USB: serial: digi_acceleport: Remove in_interrupt() usage Thomas Gleixner
2020-10-14 14:52 ` [patch 05/12] usb: xhci: Remove in_interrupt() checks Thomas Gleixner
2020-10-23 13:38 ` Mathias Nyman [this message]
2020-10-14 14:52 ` [patch 06/12] usb: host: isp1362: Replace in_interrupt() usage Thomas Gleixner
2020-10-14 18:49 ` kernel test robot
2020-10-14 14:52 ` [patch 07/12] usbip: Remove in_interrupt() check Thomas Gleixner
2020-10-14 15:45 ` Shuah Khan
2020-10-14 14:52 ` [patch 08/12] usb: hosts: Remove in_interrupt() from comments Thomas Gleixner
2020-10-14 15:24 ` Krzysztof Kozlowski
2020-10-14 16:20 ` Alan Stern
2020-10-14 14:52 ` [patch 09/12] usb: gadget: pxa27x_udc: Replace in_interrupt() usage in comments Thomas Gleixner
2020-10-14 14:52 ` [patch 10/12] usb: gadget: udc: Remove in_interrupt()/in_irq() from comments Thomas Gleixner
2020-10-14 16:22 ` Alan Stern
2020-10-14 14:52 ` [patch 11/12] usb: core: Replace in_interrupt() in comments Thomas Gleixner
2020-10-14 16:27 ` Alan Stern
2020-10-14 16:41 ` Sebastian Andrzej Siewior
2020-10-14 18:13 ` Alan Stern
2020-10-14 14:52 ` [patch 12/12] usb: atm: Replace in_interrupt() usage in comment Thomas Gleixner
2020-10-23 8:01 ` [patch 00/12] UBS: Cleanup in_interupt/in_irq/in_atomic() usage Pavel Machek
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