From: Peter Korsgaard <peter@korsgaard.com>
To: Giulio Benetti <giulio.benetti@benettiengineering.com>
Cc: Fabio Estevam <festevam@gmail.com>,
Fabrice Goucem <fabrice.goucem@oss.nxp.com>,
buildroot@buildroot.org
Subject: Re: [Buildroot] [PATCH] configs/imx6ullevk_defconfig: bump Linux to 6.6.4 and U-Boot to 2023.10
Date: Sat, 09 Dec 2023 16:10:54 +0100 [thread overview]
Message-ID: <878r63pg1t.fsf@48ers.dk> (raw)
In-Reply-To: <801a7ae9-e6cf-40bf-8250-6a9a36b1b67c@benettiengineering.com> (Giulio Benetti's message of "Sat, 9 Dec 2023 16:06:44 +0100")
>>>>> "Giulio" == Giulio Benetti <giulio.benetti@benettiengineering.com> writes:
> Hi Peter,
> On 09/12/23 15:57, Peter Korsgaard wrote:
>>>>>>> "Giulio" == Giulio Benetti <giulio.benetti@benettiengineering.com> writes:
>> > Let's also enable NXP firmware package to let latest SDMA
>> firmware to be
>> > loaded. To achieve this we also need to enable dynamic eudev to let it
>> > to load the firmware.
>> Why is that? I thought request_firmware() nowadays didn't need any
>> help
>> from user space to fetch files from /lib/firmware?
>> Is it because this is requested very early before the rootfs is
>> mounted?
> Exactly, if the driver is built-in Linux it's too early to search rootfs
> because it's not mounted.
> Of course during drivers' probe()s and all kernel calls using dma will
> use ROM SDMA Firmware until SDMA Firmware is loaded from rootfs so those
> calls will have worse performances.
> Of course NXP Firmware can't be embedded into Linux because it's
> proprietary and license doesn't allow us to do that.
OK. Committed after extending the commit message to explain that, thanks.
--
Bye, Peter Korsgaard
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prev parent reply other threads:[~2023-12-09 15:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-07 12:07 [Buildroot] [PATCH] configs/imx6ullevk_defconfig: bump Linux to 6.6.4 and U-Boot to 2023.10 Giulio Benetti
2023-12-07 12:07 ` [Buildroot] [PATCH] configs/freescale_imx6ullevk_defconfig: bump Linux and U-Boot to lf-6.1.36-2.1.0 Giulio Benetti
2023-12-07 12:24 ` [Buildroot] [PATCH] configs/imx6ullevk_defconfig: bump Linux to 6.6.4 and U-Boot to 2023.10 Fabio Estevam
2023-12-09 14:57 ` Peter Korsgaard
2023-12-09 15:06 ` Giulio Benetti
2023-12-09 15:10 ` Peter Korsgaard [this message]
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