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Tue, 29 Jan 2019 13:47:03 -0800 (PST) From: Nathan Chancellor To: Liang Yang , Boris Brezillon , Miquel Raynal Subject: [PATCH] mtd: rawnand: meson: Fix linking error on 32-bit platforms Date: Tue, 29 Jan 2019 14:46:57 -0700 Message-Id: <20190129214657.5877-1-natechancellor@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Patchwork-Bot: notify X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190129_134707_202230_E9690B4F X-CRM114-Status: GOOD ( 11.18 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Weinberger , linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Kevin Hilman , linux-amlogic@lists.infradead.org, Nathan Chancellor , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On arm little endian allyesconfig: ld.lld: error: undefined symbol: __aeabi_uldivmod >>> referenced by meson_nand.c >>> mtd/nand/raw/meson_nand.o:(meson_nfc_setup_data_interface) in archive drivers/built-in.a The dividend tBERS_max is u64, meaning we need to use DIV_ROUND_UP_ULL (which wraps do_div) to prevent the compiler from emitting __aebi_uldivmod. Fixes: 2d570b34b41a ("mtd: rawnand: meson: add support for Amlogic NAND flash controller") Signed-off-by: Nathan Chancellor --- drivers/mtd/nand/raw/meson_nand.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index e858d58d97b0..6f12a96195d1 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -1116,8 +1116,8 @@ int meson_nfc_setup_data_interface(struct nand_chip *nand, int csline, div * NFC_CLK_CYCLE); meson_chip->tadl = DIV_ROUND_UP(PSEC_TO_NSEC(timings->tADL_min), div * NFC_CLK_CYCLE); - tbers_clocks = DIV_ROUND_UP(PSEC_TO_NSEC(timings->tBERS_max), - div * NFC_CLK_CYCLE); + tbers_clocks = DIV_ROUND_UP_ULL(PSEC_TO_NSEC(timings->tBERS_max), + div * NFC_CLK_CYCLE); meson_chip->tbers_max = ilog2(tbers_clocks); if (!is_power_of_2(tbers_clocks)) meson_chip->tbers_max++; -- 2.20.1 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/