From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Thu, 15 May 2014 15:26:29 +0200 Subject: [PATCHv3 3/3] ARM: mvebu: implement L2/PCIe deadlock workaround In-Reply-To: <1400145519-28530-4-git-send-email-thomas.petazzoni@free-electrons.com> References: <1400145519-28530-1-git-send-email-thomas.petazzoni@free-electrons.com> <1400145519-28530-4-git-send-email-thomas.petazzoni@free-electrons.com> Message-ID: <6600397.74rV2Hm7nM@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thursday 15 May 2014 11:18:39 Thomas Petazzoni wrote: > @@ -78,6 +121,14 @@ static void __init mvebu_timer_and_clk_init(void) > mvebu_scu_enable(); > coherency_init(); > BUG_ON(mvebu_mbus_dt_init(coherency_available())); > + > + if (of_machine_is_compatible("marvell,armada375") || > + of_machine_is_compatible("marvell,armada38x")) { > + arch_ioremap_caller = armada_pcie_wa_ioremap_caller; > + pci_ioremap_set_mem_type(MT_UNCACHED); > + mvebu_l2x0_pl310_coherent(); > + } > + > l2x0_of_init(0, ~0UL); I wonder whether this should just be move to the existing armada_375_380_coherency_init() function to avoid the of_machine_is_compatible() check. Other than that, Acked-by: Arnd Bergmann