From mboxrd@z Thu Jan 1 00:00:00 1970 From: garsilva@embeddedor.com (Gustavo A. R. Silva) Date: Mon, 12 Feb 2018 12:04:34 -0600 Subject: [PATCH] spi: bcm2835aux: use 64-bit arithmetic instead of 32-bit In-Reply-To: References: <20180207160002.GA9292@embeddedgus> Message-ID: <275feee3-7140-498b-714f-4c88a302d3f6@embeddedor.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Ard, On 02/08/2018 03:54 AM, Ard Biesheuvel wrote: > On 7 February 2018 at 16:00, Gustavo A. R. Silva wrote: >> Add suffix ULL to constant 9 in order to give the compiler complete >> information about the proper arithmetic to use. Notice that this >> constant is used in a context that expects an expression of type >> unsigned long long (64 bits, unsigned). >> >> The expression tfr->len * 9 * 1000000 is currently being evaluated >> using 32-bit arithmetic. >> >> Addresses-Coverity-ID: 1339619 > > What does this number mean? If it is an index into some internal > database, please remove it. > This is a unique Coverity identifier. We want to keep information like public Bugzilla IDs and tools like Coverity on the commit message. Thanks -- Gustavo