From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: [PATCH 02/33] sfc: Change SPI lengths to type size_t Date: Fri, 12 Dec 2008 12:48:51 +0000 Message-ID: <20081212124851.GB10372@solarflare.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org, linux-net-drivers@solarflare.com To: David Miller Return-path: Received: from smarthost02.mail.zen.net.uk ([212.23.3.141]:48498 "EHLO smarthost02.mail.zen.net.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756506AbYLLMsy (ORCPT ); Fri, 12 Dec 2008 07:48:54 -0500 Content-Disposition: inline In-Reply-To: <20081212124622.GK32518@solarflare.com> Sender: netdev-owner@vger.kernel.org List-ID: Based on a patch by Andrew Morton. Signed-off-by: Ben Hutchings --- drivers/net/sfc/falcon.c | 19 ++++++++++--------- 1 files changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 71e0bed..271cbf8 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -1605,7 +1605,7 @@ void falcon_fini_interrupt(struct efx_nic *efx) ************************************************************************** */ -#define FALCON_SPI_MAX_LEN ((unsigned) sizeof(efx_oword_t)) +#define FALCON_SPI_MAX_LEN sizeof(efx_oword_t) /* Wait for SPI command completion */ static int falcon_spi_wait(struct efx_nic *efx) @@ -1630,7 +1630,7 @@ static int falcon_spi_wait(struct efx_nic *efx) int falcon_spi_cmd(const struct efx_spi_device *spi, unsigned int command, int address, - const void *in, void *out, unsigned int len) + const void *in, void *out, size_t len) { struct efx_nic *efx = spi->efx; bool addressed = (address >= 0); @@ -1686,8 +1686,8 @@ int falcon_spi_cmd(const struct efx_spi_device *spi, return 0; } -static unsigned int -falcon_spi_write_limit(const struct efx_spi_device *spi, unsigned int start) +static size_t +falcon_spi_write_limit(const struct efx_spi_device *spi, size_t start) { return min(FALCON_SPI_MAX_LEN, (spi->block_size - (start & (spi->block_size - 1)))); @@ -1725,12 +1725,12 @@ int falcon_spi_fast_wait(const struct efx_spi_device *spi) int falcon_spi_read(const struct efx_spi_device *spi, loff_t start, size_t len, size_t *retlen, u8 *buffer) { - unsigned int command, block_len, pos = 0; + size_t block_len, pos = 0; + unsigned int command; int rc = 0; while (pos < len) { - block_len = min((unsigned int)len - pos, - FALCON_SPI_MAX_LEN); + block_len = min(len - pos, FALCON_SPI_MAX_LEN); command = efx_spi_munge_command(spi, SPI_READ, start + pos); rc = falcon_spi_cmd(spi, command, start + pos, NULL, @@ -1756,7 +1756,8 @@ int falcon_spi_write(const struct efx_spi_device *spi, loff_t start, size_t len, size_t *retlen, const u8 *buffer) { u8 verify_buffer[FALCON_SPI_MAX_LEN]; - unsigned int command, block_len, pos = 0; + size_t block_len, pos = 0; + unsigned int command; int rc = 0; while (pos < len) { @@ -1764,7 +1765,7 @@ int falcon_spi_write(const struct efx_spi_device *spi, loff_t start, if (rc) break; - block_len = min((unsigned int)len - pos, + block_len = min(len - pos, falcon_spi_write_limit(spi, start + pos)); command = efx_spi_munge_command(spi, SPI_WRITE, start + pos); rc = falcon_spi_cmd(spi, command, start + pos, -- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked.