From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric@eukrea.com (Eric =?ISO-8859-1?B?QuluYXJk?=) Date: Wed, 7 Nov 2012 17:59:46 +0100 Subject: [PATCH 2/5 v2] ARM: AT91SAM9G45: same platform data structure for all crypto peripherals In-Reply-To: <20121107164523.GG4576@game.jcrosoft.org> References: <20121107152615.GD4576@game.jcrosoft.org> <1352305675-21961-1-git-send-email-nicolas@eukrea.com> <20121107164523.GG4576@game.jcrosoft.org> Message-ID: <20121107175946.01f9dc78@eb-e6520> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Jean-Christophe, Le Wed, 7 Nov 2012 17:45:23 +0100, Jean-Christophe PLAGNIOL-VILLARD a ?crit : > > @@ -1900,7 +1900,7 @@ static void __init at91_add_device_tdes(void) {} > > * -------------------------------------------------------------------- */ > > > > #if defined(CONFIG_CRYPTO_DEV_ATMEL_AES) || defined(CONFIG_CRYPTO_DEV_ATMEL_AES_MODULE) > > -static struct aes_platform_data aes_data; > > +static struct crypto_platform_data aes_data; > > static u64 aes_dmamask = DMA_BIT_MASK(32); > > > > static struct resource aes_resources[] = { > > @@ -1931,9 +1931,11 @@ static struct platform_device at91sam9g45_aes_device = { > > static void __init at91_add_device_aes(void) > > { > > struct at_dma_slave *atslave; > > - struct aes_dma_data *alt_atslave; > > + struct crypto_dma_data *alt_atslave; > > > > - alt_atslave = kzalloc(sizeof(struct aes_dma_data), GFP_KERNEL); > > + alt_atslave = kzalloc(sizeof(struct crypto_dma_data), GFP_KERNEL); > I still not understand why we need to allocate it > > just declare it as static > last time we had some data static and you asked to alloc them (and didn't bother to answer why you required that : http://lkml.indiana.edu/hypermail/linux/kernel/1207.0/02779.html ), now you ask to declare static something which is allocated (and that's already done this way for the mci) : may you please explain why so that we get it the right way for next time ? Thanks Eric